Police want to speak to a man in connection with an assault on a Central line train between travelling from Bank to Liverpool Street.

Just before 10pm on June 26 a man got on a train at Bank and began to confront another passenger.

A man “boarded at Bank station and started to verbally abuse a passenger before physically assaulting and threatening him”, according to a British Transport Police spokesman.

The victim then left the train at Liverpool Street “visibly shaken”.

He added: “Officers would like to speak to the man in the CCTV image because they believe he may have some information which could help the investigation.”

If you recognise the man contact British Transport Police on 0800 40 50 40 or text 61016, quoting 339 of 6 August.

Alternatively you can contact Crimestoppers anonymously on 0800 555 111.