Blistering questions this morning from the Senate's Aviation Operations, Safety and Security Subcommittee have not eased the FAA's pressure to react.

FORBES: FAA CYA?

"We are an airport that is, as all international airports are, subject to very strict aviation security and safety regulations, " he said.

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The CAA had an "excellent track record" as a safety regulator, and would bring "impressive, specialist expertise" to the regulation of aviation security, Ms Greening told MPs.

BBC: MPs open debate on Civil Aviation Bill