Do you recognise this man?
Officers investigating a sexual assault on a board a District Line train towards Cannon Street Underground station have released this image in connection.
Just before 8pm on Monday 15 December, a man sat next to and sexually assaulted a woman.
When she twice moved seats to get away from him, he followed her both times before sitting next to her once more.
Officers believe the man pictured may have information that 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 683 of 15 December.
You can also contact Crimestoppers anonymously on 0800 555 111.
