Train passengers looked on in horror as a man was repeatedly stabbed with a knife during a late-night brawl.
The stabbing victim was also sprayed with a noxious substance as the violent fight was captured on the train's security cameras.
It happened in front of a number of witnesses on board a South Western Railway service between Twickenham and Strawberry Hill in south-west London on February 18.
Police released shocking CCTV footage of the fight today as they try to locate the attacker.
Vidmax.com - Crazy, Cool, and Wild Reality Videos