The man, in his 50s, entered the Ladbrokes branch in Crownhill Road at 18:45 GMT on Friday wearing a gas mask and holding a pistol.
Police arrested the man, who was already unconscious, but he died a short time later at the scene.
"No way your robbing this bookies. My coupon's just come up!"
Moral of the story: Gun or not, us Brits don't mess about.
Edited by ExpandMyMind, 26 January 2013 - 05:22 PM.