Police have released an image of a woman they wish to speak to in connection with an assault on a train from London to Essex.
The woman was travelling on the train from Liverpool Street to Shenfield at 10.30pm on May 11 when she was attacked by a group of women, who pulled out her hair.
Officers believe the woman in the CCTV image may have information that could help their investigation.
Anyone who recognises her, or has any other information, is asked to contact British Transport Police by texting 61016 or by calling 0800 40 50 40 quoting reference 133 of 12 of May.
