Four protesters with the Just Stop Oil group interrupted a staging of Les Miserables at the Sondheim Theatre in London on Wednesday, October 4.The protesters climbed on stage and locked themselves to the set using flexible bike locks, according to Just Stop Oil.Delfont Mackintosh Theatres, which owns the Sondheim, said that, after the auditorium was cleared and police called, there was “insufficient time” to finish the performance, and that ticket-holders on the night would be refunded.Footage by Just Stop Oil shows the audience booing as protesters climb on stage. Credit: Just Stop Oil via Storyful