Arts and Entertainment This artwork by Banksy was found covered in brown paint earlier this week

Two artworks by the graffiti artist were tampered with in Utah

Dylan Jones: 'Thierry Guetta was simply meant to direct Banksy's film. Now he's selling everything with his name on it'

There has been a lot of chatter about the star of Banksy's film Exit Through the Giftshop, Thierry Guetta, aka "Mr Brainwash". The 44-year-old French artist was meant simply to direct Banksy's film about street artists, but soon became its principal subject – prompting many to suggest that: a) Brainwash was just a media prank, a convenient invention of Banksy's; or b) that he is actually Banksy himself. But if he is some kind of media construct, it appears to be working.

Exit Through the Gift Shop (15)

The secret location for the screening of this film – a cavernous brick vault beneath Waterloo Station – is an appropriate match to its director, the street artist and mystery provocateur Banksy.

Exit Through the Gift Shop, Banksy, 87 mins

The hype-meister conquers a whole new medium

Couple settle after their 'Titian' was sold for a song

Dispute with Christie's after painting worth millions was bought for £8,000

Exit Through The Gift Shop, 'Lambeth Palace', London

A pop-up premiere for Banksy

Sundance Film Festival - Rebel with its cause restored

This year, the Sundance Film Festival attempted to overhaul its corporate image – and a number of British films showed a spirit of independent daring. Kaleem Aftab reports

Banksy makes his mark on the film world - but stays incognito

First Night: Exit Through the Gift Shop

Camera-shy Banksy to appear on film at last

Sundance premier for reclusive street artist's film debut

Pandora: Polanski offers fans a seasonal greeting

Hark! Roman Polanski, directorial messiah-cum-jailbird and celebrity cause célèbre has uttered his first public words since being arrested by Swiss police in connection with a sex offence of 32 years ago.

Sweet Charity, Menier Chocolate Factory, London

Sugar-coated rhythms of life

The Diary: Banksy, Ed Vaizey, Spandex, Van Goghs, and Gurinder Chadha

Guerilla wallfare becomes a big draw

Banksy's latest "guerilla" graffiti has been graffitied over and the wall on which the offending vandals struck removed from public view in order to "restore" Banksy's original piece of art/vandalism. An ironic outcome, which will no doubt reignite the debate on whether Banksy has become part of the "establishment".

Philip Hensher: Computers have got a lot to learn about grammar

We're all getting, I fear, a computerised reading device for Christmas, allowing us to read the complete works of dozens of novelists through the magic of a seven-by-four screen. What happens if the logical conclusion is reached, and the computer takes to reading what we write, and judging it, too?

Support for Sutton's Banksy

A public vote on whether to keep a piece of Banksy graffiti in the London borough of Sutton has seen an initial wave of support for the renowned guerrilla artist.

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War with Isis: Iraq's government fights to win back Tikrit from militants - but then what?

Baghdad fights to win back Tikrit from Isis – but then what?

Patrick Cockburn reports from Kirkuk on a conflict which sectarianism has made intractable
Living with Alzheimer's: What is it really like to be diagnosed with early-onset dementia?

What is it like to live with Alzheimer's?

Depicting early-onset Alzheimer's, the film 'Still Alice' had a profound effect on Joy Watson, who lives with the illness. She tells Kate Hilpern how she's coped with the diagnosis
The Internet of Things: Meet the British salesman who gave real-world items a virtual life

Setting in motion the Internet of Things

British salesman Kevin Ashton gave real-world items a virtual life
Election 2015: Latest polling reveals Tories and Labour on course to win the same number of seats - with the SNP holding the balance of power

Election 2015: A dead heat between Mr Bean and Dick Dastardly!

Lord Ashcroft reveals latest polling – and which character voters associate with each leader
Audiences queue up for 'true stories told live' as cult competition The Moth goes global

Cult competition The Moth goes global

The non-profit 'slam storytelling' competition was founded in 1997 by the novelist George Dawes Green and has seen Malcolm Gladwell, Salman Rushdie and Molly Ringwald all take their turn at the mic
Pakistani women come out fighting: A hard-hitting play focuses on female Muslim boxers

Pakistani women come out fighting

Hard-hitting new play 'No Guts, No Heart, No Glory' focuses on female Muslim boxers
Leonora Carrington transcended her stolid background to become an avant garde star

Surreal deal: Leonora Carrington

The artist transcended her stolid background to become an avant garde star
LGBT History Month: Pupils discuss topics from Sappho to same-sex marriage

Education: LGBT History Month

Pupils have been discussing topics from Sappho to same-sex marriage
11 best gel eyeliners

Go bold this season: 11 best gel eyeliners

Use an ink pot eyeliner to go bold on the eyes with this season's feline flicked winged liner
Cricket World Cup 2015: Tournament runs riot to make the event more hit than miss...

Cricket World Cup runs riot to make the event more hit than miss...

The tournament has reached its halfway mark and scores of 300 and amazing catches abound. One thing never changes, though – everyone loves beating England
Katarina Johnson-Thompson: Heptathlete ready to jump at first major title

Katarina Johnson-Thompson: Ready to jump at first major title

After her 2014 was ruined by injury, 21-year-old Briton is leading pentathlete going into this week’s European Indoors. Now she intends to turn form into gold
Syrian conflict is the world's first 'climate change war', say scientists, but it won't be the last one

Climate change key in Syrian conflict

And it will trigger more war in future
How I outwitted the Gestapo

How I outwitted the Gestapo

My life as a Jew in wartime Berlin
The nation's favourite animal revealed

The nation's favourite animal revealed

Women like cuddly creatures whilst men like creepy-crawlies
Is this the way to get young people to vote?

Getting young people to vote

From #VOTESELFISH to Bite the Ballot