Police are searching for a man in connection with a sexual assault at Knightsbridge underground station.

At 4.20pm on Saturday, August 3 it is alleged that a woman entering the passageway to the platform was sexually assaulted by a man.

An image has been released of a man whom police believe may have information that could help the investigation.

Anyone with information is asked to contact BTP by texting 61016 or by calling 0800 40 50 40, quoting reference 447 of 3 August.

Alternatively, you can contact Crimestoppers anonymously on 0800 555 111