Imi Ltd, Witton Mr. Rooker asked the Secretary of State for Employment if, in view of previous explosions at the ammunition factory at I.M.I. Ltd., Witton, Birmingham, he will arrange for an investigation by Her Majesty's Explosives Inspectorate of the site facilities and response rates of West Midlands fire services before the company ceases to maintain its site fire brigade. Mr. Waddington I shall reply to the hon. Member as soon as possible.