A 12-year-old girl was sexually assaulted by a man on a London DLR train, and police have now released CCTV images as part of their investigation.

British Transport Police say the girl was attacked on a by a man at Blackwall station, just north of the River Thames, on May 28.

The victim, just 12, left a DLR train at the station with a friend and as they turned to go down the stairs she was sexually assaulted by the man.

He then walked past her down the stairs - The incident took place at around 4:05pm on May 28.

Officers believe the man in the CCTV images may have information which could help their investigation.

If you recognise him or have any information please contact BTP by texting 61016 or calling 0800 40 50 40 quoting reference 398 of 28/05/21.

Alternatively you can call Crimestoppers anonymously on 0800 555 111.