Balcony collapse traps victims in London theatre A major rescue operation had to be mounted in London on Thursday night after part of the ceiling and a balcony collapsed at London's Apollo Theatre in the West End. A number of casualties are reported and there are unconfirmed reports of people being trapped under the rubble. It happened at the packed theatre in Shaftesbury Avenue during a performance of the Curious Incident Of The Dog in the Night-time. At least eight fire engines are at the scene.