Do you recognise this man?
Officers investigating incidents where a man masturbated on a train in London twice in two days are today releasing this image in connection.
On 29 August, shortly after 6am, a man masturbated in front of a woman on a train from East Croydon to London Bridge.
On 30 August, at around 9.15pm, a man followed a woman on a train from West Hampstead to Bedford and began masturbating in front of her.
Officers believe the man in the CCTV images may have useful information which could help their investigation.
If you recognise him or have any further information, please contact BTP by texting 61016 or calling 0800 40 50 40 quoting reference 2200088600. Alternatively, you can call Crimestoppers anonymously on 0800 555 111.