Caryl Churchill, one of Britain’s greatest living playwrights, has withdrawn a play from the Donmar Warehouse upon learning that the theatre receives support from Barclays, which invests over £2 billion and provides £6.1 billion in loans and underwriting to nine arms companies supplying weapons to Israel. Over 300 theatre workers have signed an open letter, published in full below, backing Churchill and urging the Donmar Warehouse to cut ties with the bank.