UK gone bonkers
"I put it on a par with replying "Only a bomb" when airport security staff ask what's in your luggage."
Pretty much exactly where I'd put it too, and possibly enough to get a bit of a talking to, nothing more. The world has gone mad IMO. It's a bad joke at a bad time. I bet there are 100 comedians up and down the country who've made worse jokes on the riots.