The chief of the Houston Fire Department , Robert Clayton , had told Telling Francis Dreyfus , Jarre 's manager , that the show must be cancelled Change_event_time .

After some back-and-forth argument with Dreyfus , Clayton agreed Agree_or_refuse_to_act that the concert could proceed on a 'see how it goes ' term .

Clayton frantically began Process_start to try to stop Process_end the proceedings , fearing that people would be injured Bodily_harm .

The Clayton Tunnel rail crash Catastrophe occurred Coming_to_be on Sunday 25 August 1861 , five miles from Brighton on the south coast of England .