Ministers say they do not believe his disappearance is linked to any terrorism planning in the UK, and his TPim was intended to prevent fundraising and overseas travel.

BBC: Labour questions TPims as terror suspect absconds

He said "compelling evidence" linked Mr Cowan to the planning and execution of the escape and getaway.

BBC: Andrew Farndon

The effort is to see whether targets can be specifically linked to the airliner incident and its planning.

CNN: STORY HIGHLIGHTS