I notice, by the way, that the newscasters are now calling the airport HEATHrow rather than, as English people have always done heretofore, HeathROW.

As for the drones, they're the equivalent of the lasers that bold boys shone into pilots' eyes with dangerous effect a few years ago. (I met a neighbour of mine one day and a kid had just done this to him as he sat at the front seat on the upper salon of a bus. He raced off the bus, collared the lad and gave him a few good thumps, which may not have been correct or wise, but certainly re-educated the little vermin.