The video clip below shows a shop clerk wrestle a gun from a would-be armed robber in an unidentified store (which, from the people shown, looks to be somewhere in South-East Asia or China).
He was very lucky! If that thief had been just a little more ruthless, he'd have shot him after the failure of his first attempt. Still, one has to hand it to the clerk - that took cojones. One hopes he'll learn better disarming techniques now, in case it happens again!