A man desperately wanted some beer. He decided that he'd just throw a concrete block through an off-licence window, get some beer, and run.
So he lifted the block and heaved it over his head at the window. The concrete block bounced back and hit the would-be thief on the head, knocking him unconscious.
It seems the off-licence window was made of Perspex. The whole event was caught on videotape and the man was nominated for 'Loser of the Week'.