Andy Link says sculpture for which he demanded £5,000 in ransom was later stolen from him. Banksy’s former dealer says otherwise

Banksy makes his debut at number 14 while dealer David Zwirner drops from first place to fifth

Instagram power and the rise of the consumer collector are turning the art world upside down

Stunt suspicions swirl after Sotheby’s auction sees 2009 work by street artist sell for far more than its £2m high estimate

Street artist's Gross Domestic Product merchandise store opens online, but collectors are being heavily vetted to prevent flipping

Nicole Eisenman, Jean-Michel Basquiat and a dozen Italians help weather the Brexit storm

Plus, Harper Beckham meets Kaws

Street artist has created merchandise range from disco balls made from riot police helmets to hand-stitched welcome mats

Steve Lazarides leaves Lazinc in Mayfair to pursue solo projects

Art the Arms Fair's inaugural 2017 exhibition saw a work by Banksy sell for £205,000 to benefit anti-war campaigns

Proposed urban art museum in South Wales will also include works by Kaws and Blek le Rat

Work depicting a migrant child wearing a lifejacket is a stark counterpoint to Venice Biennale’s inclusion of Christoph Büchel’s wreck of migrant ship

Work was painted last night at Marble Arch, where the climate change group had set up base camp for ten days of demonstrations

Di-faced Tenner is artist’s first work to join the collection officially—unlike his 2005 cave painting prank

Love is in the Bin will be shown among works by Rembrandt, Holbein, Marcel Duchamp and Picasso

John Brandler, who paid a six-figure sum for Season's Greetings, is in talks with local officials

Museum Frieder Burda in Baden-Baden aims to make the work “accessible to as many people as possible”

David Hockney was latest white male artist to set a record this year

The Leonardo and Banksy auction spectacles suggested a future in which marketing triumphs. But was it ever thus?

The people, places and things that had a year to remember—or to forget

Girl With Balloon was meant to shred completely

Sotheby's directors speak out for the first time since Girl With Balloon was half shredded at auction

We go behind the scenes of one of the most publicised stunts in auction history with our correspondent Anny Shaw who was there that evening. Then we get a tour of Tate Modern's Anni Albers retrospective with its curator Briony Fer, speak to the artist's biographer Charles Darwent and the head of the Josef and Anni Albers Foundation, Nicholas Fox Weber. Produced in association with Bonhams, auctioneers since 1793.

Girl With Balloon canvas ‘self-destructed’ live at Sotheby’s last week in one of the most publicised stunts in auction history

Just when we thought Frieze week was all over, twists and turns provide high drama at Sotheby’s contemporary evening sale on Friday night

Girl with a Balloon (2006) had just hammered at £860,000