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A giant balloon depicting Donald Trump as an angry baby holding on to a smart phone has been flown over central London.
The blimp was raised in Parliament Square in protest at the president’s four-day visit to the UK.
It was given the green light by the mayor of London, Sadiq Khan , but has drawn significant criticism, with some branding it inappropriate.
Here is everything you need to know about the balloon:
Where was it? A few hundred people gathered to watch the blimp launch in Parliament Square, where it was tethered.
The inflatable was granted a two-hour licence by Mr Khan and was taken down at around midday on Friday.
Organisers of the stunt wore red boiler suits and red baseball caps emblazoned with "Trump babysitter".
National Stop Trump protest: march against US President's visit to UKShow all 105 1 /105National Stop Trump protest: march against US President's visit to UK National Stop Trump protest: march against US President's visit to UK
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National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK Demonstrators on the 'Stop Trump' march through London
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National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK Protesters in Trafalgar Square
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National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK Demonstrators gather in George Square, Glasgow, for the Scotland United Against Trump protest
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National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
PA
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
AFP/Getty Images
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK Labour Party leader Jeremy Corbyn walks through a demonstration against President Trump's visit to the UK on his way to make a speech in Trafalgar Square
Getty Images
National Stop Trump protest: march against US President's visit to UK
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National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK Children were among thousands of people around the UK to protest against Donald Trump's visit
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Jessica Morgan
National Stop Trump protest: march against US President's visit to UK
Jessica Morgan
National Stop Trump protest: march against US President's visit to UK
Rex Features
National Stop Trump protest: march against US President's visit to UK
Jessica Morgan
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Jessica Morgan
National Stop Trump protest: march against US President's visit to UK Drag queens take part in the Drag Against Trump protest in Piccadilly Circus
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National Stop Trump protest: march against US President's visit to UK
Jessica Morgan
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Jessica Morgan
National Stop Trump protest: march against US President's visit to UK Edward Miliband joins the march
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Jessica Morgan
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Jessica Morgan
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
National Stop Trump protest: march against US President's visit to UK
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
EPA
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Will Gore
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Will Gore
National Stop Trump protest: march against US President's visit to UK A drag queen joins protesters against the UK visit of US President Donald Trump
AFP/Getty Images
National Stop Trump protest: march against US President's visit to UK
Will Gore
National Stop Trump protest: march against US President's visit to UK
Will Gore
National Stop Trump protest: march against US President's visit to UK
Will Gore
National Stop Trump protest: march against US President's visit to UK
Will Gore
National Stop Trump protest: march against US President's visit to UK
Will Gore
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK Protesters for the 'Stop Trump'
AP
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
AFP/Getty Images
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
AFP/Getty Images
National Stop Trump protest: march against US President's visit to UK
REUTERS
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
PA
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
PA
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
National Stop Trump protest: march against US President's visit to UK
Angela Christofilou
After counting down from ten to one a cheer went up as the large balloon rose to fly around 30 metres from the ground.
Who is responsible for the blimp? Organisers ran a campaign to raise almost £18,000 through crowd funding to pay for the inflatable, which they said reflects Mr Trump's “fragile ego and tiny hands".
How big is it? The Trump balloon is six-metres tall and organisers hope crowds will be able to see the blimp “peeping over” from Downing Street.
If it manages to fly high enough the balloon may be visible from the Southbank of the Thames.
What have critics said? Nigel Farage, a long-time supporter of Mr Trump, described the protest as a “step too far” and said it was "the biggest insult to a sitting US president ever".
Donald Trump UK visit: protests, placards and puttingShow all 100 1 /100Donald Trump UK visit: protests, placards and putting Donald Trump UK visit: protests, placards and putting Britain's Prime Minister Theresa May and US President Donald Trump walk to a joint news conference holding hands
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Donald Trump UK visit: protests, placards and putting People march holding anti-Trump signs in Edinburgh while the US. President is visiting Trump Turnberry Luxury Collection Resort in Scotland
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Donald Trump UK visit: protests, placards and putting President Donald Trump and first lady Melania Trump depart from Glasgow Prestwick Airport
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Donald Trump UK visit: protests, placards and putting Trump on the back
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Donald Trump UK visit: protests, placards and putting President Donald Trump waves whilst playing a round of golf at Trump Turnberry Luxury Collection Resort
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Donald Trump UK visit: protests, placards and putting Donut TrumpScotland United Against Trump demonstrators gather at the Scottish Parliament in Edinburgh
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Donald Trump UK visit: protests, placards and putting Donald Trump plays a round of golf at Trump Turnberry
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Donald Trump UK visit: protests, placards and putting People march holding anti-Trump signs
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Donald Trump UK visit: protests, placards and putting
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Donald Trump UK visit: protests, placards and putting Trump waves form golf course
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Donald Trump UK visit: protests, placards and putting
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Donald Trump UK visit: protests, placards and putting Trump goes for a stroll
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Donald Trump UK visit: protests, placards and putting Trump blimpA giant balloon depicting US President Donald Trump as an orange baby is launched as protesters gather in the Meadows, after taking part in the Scotland United Against Trump march through the streets of Edinburgh
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Donald Trump UK visit: protests, placards and putting U.S. President Donald Trump drives his golf buggy
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Donald Trump UK visit: protests, placards and putting A Greenpeace protester flying a microlight passes over Donald Trump's resort in Turnberry
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Donald Trump UK visit: protests, placards and putting President Donald Trump and first lady Melania Trump look at the media during their arrival on Air Force One at Glasgow Prestwick Airport in Scotland
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Donald Trump UK visit: protests, placards and putting Scotland United Against Trump demonstrators gather at the Scottish Parliament in Edinburgh
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Donald Trump UK visit: protests, placards and putting Security and police teams surround the perimeter of Trmup's golf course
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Donald Trump UK visit: protests, placards and putting Scotland United Against Trump demonstrators
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Donald Trump UK visit: protests, placards and putting Teams of police officers patrol the beach outside near Trump Turnberry Luxury Collection Resort
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Donald Trump UK visit: protests, placards and putting Pro-Trump supporters demonstrate outside the US Embassy in support of President Donald Trump's visit to the UK, in London
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Donald Trump UK visit: protests, placards and putting Scottish Labour leader, Richard Leonard speaks to crowd
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Donald Trump UK visit: protests, placards and putting Ex-pat
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Donald Trump UK visit: protests, placards and putting Demonstrators hold placards near the golf resort owned by US President
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Donald Trump UK visit: protests, placards and putting Protesters wear orange face makeup
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Donald Trump UK visit: protests, placards and putting Pro-Trump supporters demonstrate outside the US Embassy in London
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Donald Trump UK visit: protests, placards and putting Trump protestors on the beach near to the Trump Turnberry resort
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Donald Trump UK visit: protests, placards and putting Protestors against the UK visit of US President Donald Trump near Aberdeen
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Donald Trump UK visit: protests, placards and putting A mounted police officer patrols anti-Trump rally
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Donald Trump UK visit: protests, placards and putting Trump supporter Bill McGibbon outside his cottage near to the Trump Turnberry resort in South Ayrshire
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Donald Trump UK visit: protests, placards and putting
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Donald Trump UK visit: protests, placards and putting Queen Elizabeth II and President Donald Trump inspect an honour guard at Windsor Castle
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Donald Trump UK visit: protests, placards and putting
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Donald Trump UK visit: protests, placards and putting Queen Elizabeth II stands with US President Donald Trump and his wife, Melania, during their visit to Windsor Castle
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Donald Trump UK visit: protests, placards and putting Donald Trump walks ahead of Queen Elizabeth
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Donald Trump UK visit: protests, placards and putting
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Donald Trump UK visit: protests, placards and putting Donald and Melania Trump listen to the Coldstream Guards, play the US national anthem next to the Queen
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Donald Trump UK visit: protests, placards and putting Protesters in Windor
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Donald Trump UK visit: protests, placards and putting US President Donald Trump and first lady Melanie Trump are greeted by Queen Elizabeth II, during an arrival ceremony with the Guard of Honour at Windsor
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Donald Trump UK visit: protests, placards and putting Queen Elizabeth II waits to greet US President Donald Trump as he arrives by helicopter
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Donald Trump UK visit: protests, placards and putting Ed Miliband joins the march
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Donald Trump UK visit: protests, placards and putting PM and President
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Donald Trump UK visit: protests, placards and putting Protestors hold banners
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Donald Trump UK visit: protests, placards and putting UK meets US
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Donald Trump UK visit: protests, placards and putting Protests at Trump visit
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Donald Trump UK visit: protests, placards and putting Trump and May
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Donald Trump UK visit: protests, placards and putting Protests at Trump visit
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Donald Trump UK visit: protests, placards and putting Protesters for the 'Stop Trump' Women's March gather in London
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Donald Trump UK visit: protests, placards and putting US President Donald Trump and Britain's Prime Minister Theresa May hold a joint press conference
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Donald Trump UK visit: protests, placards and putting Donald Trump and Theresa May attend a press conference
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Donald Trump UK visit: protests, placards and putting Demonstrators protest against the visit of U.S. President Donald Trump
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Donald Trump UK visit: protests, placards and putting Prime Minister Theresa May walks with US President Donald Trump at Chequers
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Donald Trump UK visit: protests, placards and putting Donald Trump UK protest
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Donald Trump UK visit: protests, placards and putting First Lady, Melania Trump, tries her hand at bowls
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Donald Trump UK visit: protests, placards and putting US President and British Prime Minister at Chequers
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Donald Trump UK visit: protests, placards and putting Demonstrator in Black Lives matter T-shirt
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Donald Trump UK visit: protests, placards and putting Theresa May and Donald Trump enter Chequers
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Donald Trump UK visit: protests, placards and putting Protestors wearing Donald Trump and Theresa May paper mache heads join the protest in Butler's Cross
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Donald Trump UK visit: protests, placards and putting First Lady, Melania Trump, looks on as Philip May tries bowls
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Donald Trump UK visit: protests, placards and putting American Psycho poster
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Donald Trump UK visit: protests, placards and putting First Lady, Melania Trump, reacts as she tries her hand at bowls
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Donald Trump UK visit: protests, placards and putting Donald Trump protest in London
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Donald Trump UK visit: protests, placards and putting Theresa May, Donald Trump with US ambassador to the United Kingdom Woody Johnson and British Foreign Secretary Jeremy Hunt at the start of the bilateral meeting at Chequers
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Donald Trump UK visit: protests, placards and putting Melania Trump and Philip May wave flags
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Donald Trump UK visit: protests, placards and putting Donald Trump is greeted by Theresa May
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Donald Trump UK visit: protests, placards and putting The US First Lady Melania Trump, helps children to make poppies
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Donald Trump UK visit: protests, placards and putting The handshake between Donald Trump and Theresa May
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Donald Trump UK visit: protests, placards and putting Demonstrators raise a six meter high effigy of Donald Trump
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Donald Trump UK visit: protests, placards and putting Donald Trump stands alongside Theresa May after he arrived for talks at Chequers, her country residence in Buckinghamshire
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Donald Trump UK visit: protests, placards and putting A six-meter high cartoon baby blimp of Donald Trump hovers next to the statue of former Prime Minister Winston Churchill
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Donald Trump UK visit: protests, placards and putting First Lady, Melania Trump, accompanied by Philip May, meets schoolchildren and British Army veterans
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Donald Trump UK visit: protests, placards and putting A lookalike of former British Foreign Minister Boris Johnson stands next to a person in a cage wearing a money suit and a mask of Donald Trump
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Donald Trump UK visit: protests, placards and putting Donald Trump gestures as he prepares to board Marine One to depart the US ambassador's residence Winfield House
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Donald Trump UK visit: protests, placards and putting Demonstrators stand in front of a blimp portraying US. President Donald Trump, in Parliament Square
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Donald Trump UK visit: protests, placards and putting The Prime Minister hosts President Trump and First Lady Melania at a black tie dinner with business leaders at Blenheim Palace
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Donald Trump UK visit: protests, placards and putting The Prime Minister, accompanied by husband Philip, arrive with President Trump and First Lady Melania to a black tie dinner with business leaders at Blenheim Palace
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Donald Trump UK visit: protests, placards and putting The Prime Minister and President Trump are seen holding hands, not for the first time
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Donald Trump UK visit: protests, placards and putting President Donald Trump pumps his fist during his arrival, with first lady Melania Trump, in Regent's Park
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Donald Trump UK visit: protests, placards and putting Demonstrators bang pots and pans as they gather at the US ambassador residence in Regent's Park
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Donald Trump UK visit: protests, placards and putting US President Donald Trump and US First Lady Melania Trump walk in the grounds of the US ambassador's residence Winfield House
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Donald Trump UK visit: protests, placards and putting A demonstrator protests next to the specially erected fence surrounding the US ambassador's residence
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Donald Trump UK visit: protests, placards and putting A motorcade arrives at Winfield House in London, the residence of American Ambassador to the to the Court of St James's
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Donald Trump UK visit: protests, placards and putting A presidential helicopter lands in the grounds of the US ambassador residence in Regent's Park
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Donald Trump UK visit: protests, placards and putting Protesters chant and wave placards during a demonstration outside Winfield House
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Donald Trump UK visit: protests, placards and putting he Marine One helicopter carrying US President Donald Trump and First Lady Melania Trump flies past the BT Tower
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Donald Trump UK visit: protests, placards and putting Protesters chant and wave placards during a demonstration outside Winfield House
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Donald Trump UK visit: protests, placards and putting US President Donald Trump and First Lady Melania Trump disembark from Air Force One after arriving in the UK
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Donald Trump UK visit: protests, placards and putting US First Lady Melania Trump and US President Donald Trump are greeted by US Ambassador to the United Kingdom Woody Johnson
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Donald Trump UK visit: protests, placards and putting US President Trump and Melania Trump leaving Stansted Airport
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Donald Trump UK visit: protests, placards and putting An honour guard stands to receive US President Donald Trump and US First Lady Melania Trump
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Donald Trump UK visit: protests, placards and putting Donald and Melania
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Donald Trump UK visit: protests, placards and putting US President Donald Trump and First Lady Melania Trump greet Secretary of State for International Trade Liam Fox on their arrival
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Donald Trump UK visit: protests, placards and putting US Marine Corps Osprey aircraft taking off
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Donald Trump UK visit: protests, placards and putting Us President Donald Trump and First Lady Melania Trump disembark from Air Force One
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Donald Trump UK visit: protests, placards and putting US President Trump and Melania Trump arrive at Stansted
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Donald Trump UK visit: protests, placards and putting A giant 'Human Rights Nightmare' banner is unfurled by Amnesty International activists across the river Thames on Vauxhall Bridge to protest against the visit of US President Donald Trump
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Donald Trump UK visit: protests, placards and putting US President Donald Trump waves as he arrives in the UK
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Donald Trump UK visit: protests, placards and putting An armed police officier waits on the tarmac at Stansted Airport
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Donald Trump UK visit: protests, placards and putting US President Donald Trump and Melania Trump arrive at Stansted Airport
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Donald Trump UK visit: protests, placards and putting Armed police await the arrival of US President Donald Trump at Stansted Airport
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Tory MP Nicolas Soames was also not happy with the blimp outside Parliament, tweeting: "The utterly pathetic pointless graceless balloon launched in front of a tiny crowd of tourists #idioticpathosgesture".
How have organisers and the Mayor of London responded to the criticism? Mr Khan gave his blessing for the blimp to be flown and rejected suggestions it showed a lack of respect to the US president.
"The idea that we restrict freedom of speech, the right to assemble, the right to protest because somebody might be offended is a slippery slope," he told BBC radio, adding that a protest to welcome Trump was also planned.
"We have a rich history in this country of having a sense of humour as well."
Sadiq Khan condemns Trump’s 'preposterous' remarks suggesting he and immigration caused increased crime Organiser Daniel Jones, a 26-year-old charity communications officer, said they were trying to make people laugh as well as making a serious point.
"It's also about giving a boost to those in America resisting his policies," he said.
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