A manhunt has been launched after a woman was sexually assaulted on a station platform.

Reports say the woman was "molested" at Ilford station at 8.30am and police are investigating.

No action was taken by bystanders on the platform despite the 33-year-old woman screaming, according to reports.

A British Transport Police (BTP) spokesman said: “No arrests have been made. Enquiries into the incident are ongoing.”

Anyone with information is being asked to contact officers on 0800 40 50 40, or text 61016 quoting reference 116 of 19/05/15.