That's Bizarre: A prisoner dieted until he was skinny - then squeezed through a narrow gap in his cell and escaped.Australian Robert Cole lost more than three stone in his bid to slim his way to freedom.The 36-year-old - a sex offender and armed robber - got his weight down to less than nine stone then slipped through a gap he had made between the wall and the bars on his window.He then scaled a fence and fled the jail.The newly skinny crook is still at large.