Police have released a picture of a man they wish to speak with after a rail staff member was punched in the face.

The assault happened at approximately 7.17pm on November 16 at Purley train station.

The victim, a member of rail staff, had challenged a man for not having a ticket.

The man became aggressive and later attacked the member of staff by punching them in the face. As a result of the attack, a number of the victims teeth were chipped.

Officers believe the man shown in this CCTV image may have information which could help them investigate.

If you know who they are, contact BTP by sending a text to 61016 or by calling 0800 40 50 40 quoting reference 543 of 16/11/2019. Or you can ring Crimestoppers anonymously on 0800 555 111.