Civil Contingencies Patrick Mercer To ask the Secretary of State for Transport when the major civil emergency exercise postponed from 23 March 2003 will take place in London. [128656] Mr. McNulty An exercise to test specific elements of the emergency services' response to a chemical attack on the London Underground, postponed from 23 March 2003, took place on 7 September 2003. This was one of a regular series of exercises being held in London and throughout the UK.