A manhunt has been launched after a man flashed at a young women on a bus travelling through west London.
The suspect allegedly sat next to his victim on a route 206 bus towards White City and touched her leg with his.
When a seat became available he then reportedly sat opposite her and exposed himself, Scotland Yard said.
The woman questioned the man and he fled at Shepherd’s Bush Market following the incident around 3.20pm on October 15 last year.
Detectives have now released CCTV images of the man in a bid to identify him.
The man was described as a short, slim male, aged 35 to 40 years old, with short black hair.
No arrests have been made and enquiries continue.
Anyone who recognises the man or has any information is urged to contact Detective Constable Ryan McCarroll via 101.
Alternatively call Crimestoppers anonymously on 0800 555 111 or tweet @MetCC with any information.