This is the second recent occasion that a full airliner has diverted into a UK airport (STN and Air Portugal is the other one) and has only been given one set of steps to get the pax. off. For christs sake you might have a bloody bomb on the thing and the airport roles out 1 set of steps, truly pathetic. If the threat has been taken seriously enough to divert in the first place I reckon blowing the slides would not be too over top. You are going to feel pretty stupid if you do a textbook diversion and then 50 passengers get killed when the bomb goes off half way through a 20 minute de-plane down one set of steps. Going to be difficult to continue the journey as you now need new slides and you are going to hurt a few people during the evac. but I would prefer that option to collecting body parts from all over the apron. I think airport authorities need to urgently review how they handle these incidents, at the moment the response seem amateurish in the extreme.