Lincoln sex attack: Witness sought
Police have appealed for man who saw a sex assault suspect in Lincoln to come forward.
A 20-year-old woman was walking through St Peter's Passage at about 03:45 GMT on 5 November when she was attacked.
The suspect was 5ft 9in (1.52m) tall and stocky with tanned skin and was wearing a brown quilted jacket and blue jeans, Lincolnshire Police said.
Police want to speak to a man wearing a hooded top and a rucksack who looked at the suspect just before the attack.