Originally Posted by
Ancient Observer
If the Security person in charge had a belief that a terrorist incident was underway, the plane would not have landed at lhr.
So the fighter escort and airspace closure was just for fun then ?
That is what doesn't seem to make snese here - "something" is high enough risk that major disruption to LHR is in order, plus fighters are scrambled, and yet at the same time is low enough risk that the aircraft can still be vectored over london into lhr.