Fresh from its success at the Sundance Film Festival in Utah in January, rambunctious Irish-language film KNEECAP will open the 11th edition of Sundance Film Festival London. The documentary won the Sundance Film Festival Audience Award: NEXT in January and is the real-life story of how an anarchic Belfast rap trio became the unlikely figureheads of a civil rights movement to save and reinvigorate their mother tongue. The infectious documentary’s UK Premiere takes place on 6 June.