Police investigating the rape of a woman in Leeds have released CCTV footage of the suspected attacker.
The video shows him walking close to the scene of the incident, which happened in an alleyway off Woodhouse Lane near Leeds University, in the early hours of Saturday.
The victim - a 24 year old woman - escaped after a passerby came to her aid.
The suspect is described as white, aged in his late twenties, thin build, with short dark hair. He was wearing dark clothing and a baseball cap.