Police have released an image of a person they want to trace after a man exposed himself at a bus stop in Bermondsey.
The incident happened at approximately 08:15hrs on Friday, 14 October at a bus stop in Old Kent Road, near Mina Road, SE1.
Members of the public attempted to detain the man, but he managed to run off.
The suspect is described as a white man, aged between 35 and 40, 5 ft 6inches tall with short black hair. He was clean shaven and wearing a black waist length jacket, jeans and black trainers or shoes.
Officers from the Roads and Transport Policing Command investigate.
Anyone with information is asked to contact local police on 101 or tweet via @MetCC. Alternatively call Crimestoppers anonymously on 0800 555 111.
No arrests; enquiries continue.