Manhunt for train passenger who ‘threatened to kill everyone and bit victim’s finger’

Officers released a CCTV picture of a man who they believe could help with the investigation into the assault on board a Surrey-bound train (Picture: British Transport Police)

A passenger was left with serious damage to his finger after an ‘aggresive’ stranger bit him.

Detectives are looking for a man after an assault on board a train between London Cannon Street and Orpington, Surrey.

The violent incident unfolded at around 9.20pm on Thursday, May 21, when a man suddenly turned on fellow passengers.

He became abusive and aggressive, and threatened to kill passengers before atta...