Moment ex-heavyweight boxer Julius Francis who once fought Mike Tyson knocks reveller out cold while working as a bouncer
- A video shows former British heavyweight champ knock out man with one punch
- Incident spilled out of BOXPARK, in Wembley, where a group of men were rowing
- Man shoved bouncer and shouted obscenities before raising fist at Julius Francis
- Francis floored the man with single right-hand punch knocking him unconscious
