It is alleged that a man tried to rape the victim - a man in his 20s.
The Metropolitan Police released a CCTV image of a man they want to identify as part of their enquiries.
COPS have launched an urgent hunt for a man after an alleged attempt to rape a male in his 20s.
The force did not clarify if the man in the picture was the suspect, but urged the public not to "approach him directly".
Detective Sergeant Stacey Smith, from the Central East Public Protection Team, said: "This was a terrifying experience for the victim, who continues to be supported by specialist officers.
