Police have launched an appeal after a man flashed and touched himself while sitting next to woman on a bus travelling through central London.
Scotland Yard have released a CCTV image of a man they would like to speak to after a woman reported that the man exposed himself to her on the 68 bus between Russell Square and Burgess Park.
The man, aged between 20 and 30 years old, is said to have sat down next to his 37-year-old victim and performed a sex act himself while shielding his actions from other passengers at around 9.45pm on August 15.
The suspect is described as a dark-skinned afro-Carribean man with an athletic build.
He is believed to have been wearing a black and white baseball cap, a short sleeved grey shirt and grey tracksuit bottoms.
Anyone with any information is asked to call PC Neil Webb on 020 3054 6712 or via 101.
Alternatively, call Crimestoppers anonymously on 0800 555 111, quoting reference 224997.
