A “hero” train worker remains in a life-threatening condition after the Huntingdon train knife attack, British Transport (BTP) Police said. The force said the member of LNER rail staff was on the train at the time and tried to stop the attacker.

“Detectives have reviewed the CCTV from the train and it is clear his actions were nothing short of heroic and undoubtedly saved many people’s lives,” BTP said in a statement. The member of staff's name is not yet known.

A 32-year-old man who was arrested in connection with the attack is now being treated as the only suspect. The man, from Peterborough , boarded the train at Peterborough station.

Another man, a 35-year-old from London, has been released with no further action, BTP said in a statement. The force said police have established t

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