Twenty years on, London’s gathering of gallerists and collectors is big business but it began as a gamble inspired by the success of Tate Modern

Blending science and the supernatural, high art and gothic horror, Hamad Butt made work that was literally dangerous, in one case sparking fears of a gas leak. He is one of the stars of Tate Britain’s rehang

Tate Britain, London
Once the provocative home of artistic sensation, the gallery is now vacuous, worthy and fundamentally dull. It even seems to disapprove of the very British art it used to promote

From accidental conflagrations to planned incineration, nothing turns up the heat of art world commerce like a blaze