Helen Cammock says her comments blaming wartime leader for Bengal famine were intended to create ‘dialogue’

A Turner prize-winning artist accused of telling a “barefaced lie” about Winston Churchill in a video piece installed at the National Portrait Gallery (NPG) has defended her work, saying it was intended to create a “dialogue” about figures in the gallery’s collection.

Helen Cammock’s 40-minute moving image piece called Persistence has been at the centre of a row about the role Churchill played in the Bengal famine of 1943.

Play at Gillian Lynne theatre in London will cycle through versions with weekend crowds able to pick one

In keeping with its well-earned reputation for cloak and dagger, the stage adaptation of the hit gameshow Traitors will present audiences with different renditions of the story depending on which night they attend.

The Traitors: Acts of Betrayal will take the form of a five-play cycle, with weekend crowds able to determine which version of the BBC show dramatisation they see.