Police are investigating a sexual assault at Sloane Square Underground station.
Just before 2pm on Sunday 4 January, a man sexually assaulted a woman as the pair passed one another on a station stairway.
Detectives have released a CCTV image of a man they believe may have information which could help their investigation.
Anyone who recognises him is asked to contact British Transport Police by texting 61016 or by calling 0800 40 50 40, quoting reference 600 of 5 January.
You can also contact Crimestoppers anonymously on 0800 555 111.
