Do you recognise this man?
Officers investigating an assault on board the underground would like to identify him in connection.
Between 8.20am and 8.40am on Monday, the 31st of March a man boarded at Hounslow Central, the man asked another man to move bags from the seat and a buggy blocking the carriage.
The man then punched him in the face, before alighting at Knightsbridge.
Officers believe the man in the image may have information that can help their investigation.
Anyone with information, who recognises the man or who may have seen the incident is asked to contact BTP by texting 61016, or by calling 0800 40 50 40 quoting reference number 116 of 31 March.
Alternatively, call Crimestoppers anonymously on 0800 555 111.