Well, some come back when they're required.
https://metro.co.uk/2011/08/07/boris...-riots-106572/
Boris Johnson last night insisted he will not be cutting short his holiday to deal with the fall-out from
the Tottenham riots.
Speaking to the BBC by phone, he said: "I am not going to come back at the moment because I have complete confidence in the police and I think that they are doing a very, very good job."