A 15-year-old girl was sexually assaulted on a London Overground train in Hackney, transport police have said.

The teenager was travelling between Dalston Kingsland and Hackney Wick at 6pm on Thursday when a man touched her inappropriately over her clothes.

After challenging the man she got off the train at Hackney Wick. Police are now looking to speak to anyone who saw what happened or spotted the man acting suspiciously.

Anyone with information is asked to call British Transport Police on 0800 40 50 40 or text 61016 quoting reference 179 of 02/11/2016.

Alternatively, people can call Crimestoppers, anonymously, on 0800 555 111.