HC Deb 18 February 1991 vol 186 c49W
Mr. Flynn

To ask the Secretary of State for Transport if the security systems installed at United Kingdom airports to which he refers in his reply to the hon. Member for Newport, West of 8 February,Official Report, column 255, are able to detect Semtex explosives in addition to detonation devices in bombs.

Mr. McLoughlin

I am not prepared to reveal details of security systems or their capabilities.