21/7: timetable of terror alert

* 12.25pm police evacuate Shepherd's Bush Tube station on the Hammersmith and City line following an attempt to set off an explosion.

* 12.30pm Emergency services are first called to Oval Tube station. Around 20 or 30 passengers are evacuated from a Tube train saying that they had seen "white smoke". There are also reports of a man dumping a rucksack in a carriage then fleeing as the doors closed.

* 12.45pm London Ambulance Service sends five vehicles to Warren Street Tube station after reports of a rucksack exploding on a train in a tunnel just outside the station.

* 1.15pm Pubs and offices near Warren Street Tube station are evacuated.

* 1.22pm London Underground says it has suspended services on the Hammersmith & City, Victoria and Northern lines.

* 1.30pm The driver of the number 26 bus reports hearing a bang followed by a smell of smoke coming from the upper deck while driving along Hackney Road, Shoreditch. Upstairs he finds the windows blown out.

* 1.45pm Transport for London confirms it has imposed a Code Amber at all three affected Tube lines which means trains are taken to the next station and passengers evacuated to above ground.

* 1.45pm Police with sniffer dogs comb the pavement along Euston Road, near Warren Street and the surrounding area.

* 2.05pm Transport for London confirms that four lines - the Hammersmith and City, Northern, Bakerloo and Victoria - remain suspended.

* 2.24pm Metropolitan Police confirm armed officers have been deployed to University College Hospital where they are dealing with an incident.

* 2.40pm An initial examination at Oval shows that there is no trace of chemical agents.

* 2.45pm Downing Street confirms the Government's civil contingencies committee - known as Cobra - would be meeting in response to the latest incidents.

* 3.10pm London Underground says the Piccadilly and Bakerloo lines have also been suspended, although no incidents have been reported on those lines.

* 3.20pm British Transport Police confirm no trace of chemical agents have been found at Warren Street station following the incident there.

* 3.25pm London Fire Brigade says officers are deployed at Warren Street London Underground station in full protective equipment as a precaution in order to examine the scene.

* 4pm Armed police and dog handlers arrive at Shepherd's Bush to begin searches of streets that had earlier been sealed off.

Start your day with The Independent, sign up for daily news emails
ebooksA celebration of British elections
  • Get to the point
Latest stories from i100
Have you tried new the Independent Digital Edition apps?

Day In a Page

General Election 2015: Ed Miliband's unlikely journey from hapless geek to heart-throb

Miliband's unlikely journey from hapless geek to heart-throb

He was meant to be Labour's biggest handicap - but has become almost an asset
General Election 2015: A guide to the smaller parties, from the the National Health Action Party to the Church of the Militant Elvis Party

On the margins

From Militant Elvis to Women's Equality: a guide to the underdogs standing in the election
Amr Darrag: Ex-Muslim Brotherhood minister in exile still believes Egypt's military regime can be replaced with 'moderate' Islamic rule

'This is the battle of young Egypt for the future of our country'

Ex-Muslim Brotherhood minister Amr Darrag still believes the opposition can rid Egypt of its military regime and replace it with 'moderate' Islamic rule, he tells Robert Fisk
Why patients must rely less on doctors: Improving our own health is the 'blockbuster drug of the century'

Why patients must rely less on doctors

Improving our own health is the 'blockbuster drug of the century'
Sarah Lucas is the perfect artist to represent Britain at the Venice Biennale

Flesh in Venice

Sarah Lucas has filled the British pavilion at the Venice Biennale with slinky cats and casts of her female friends' private parts. It makes you proud to be a woman, says Karen Wright
11 best anti-ageing day creams

11 best anti-ageing day creams

Slow down the ageing process with one of these high-performance, hardworking anti-agers
Juventus 2 Real Madrid 1: Five things we learnt, including Iker Casillas is past it and Carlos Tevez remains effective

Juventus vs Real Madrid

Five things we learnt from the Italian's Champions League first leg win over the Spanish giants
Ashes 2015: Test series looks a lost cause for England... whoever takes over as ECB director of cricket

Ashes series looks a lost cause for England...

Whoever takes over as ECB director of cricket, says Stephen Brenkley
Fishing for votes with Nigel Farage: The Ukip leader shows how he can work an audience as he casts his line to the disaffected of Grimsby

Fishing is on Nigel Farage's mind

Ukip leader casts a line to the disaffected
Who is bombing whom in the Middle East? It's amazing they don't all hit each other

Who is bombing whom in the Middle East?

Robert Fisk untangles the countries and factions
China's influence on fashion: At the top of the game both creatively and commercially

China's influence on fashion

At the top of the game both creatively and commercially
Lord O’Donnell: Former cabinet secretary on the election and life away from the levers of power

The man known as GOD has a reputation for getting the job done

Lord O'Donnell's three principles of rule
Rainbow shades: It's all bright on the night

Rainbow shades

It's all bright on the night
'It was first time I had ever tasted chocolate. I kept a piece, and when Amsterdam was liberated, I gave it to the first Allied soldier I saw'

Bread from heaven

Dutch survivors thank RAF for World War II drop that saved millions
Britain will be 'run for the wealthy and powerful' if Tories retain power - Labour

How 'the Axe' helped Labour

UK will be 'run for the wealthy and powerful' if Tories retain power