A man was punched in the face in a city centre attack.
The incident happened near to the Clock Tower at about 6.30pm on Monday, October 1.
The 31-year-old victim and his two friends were approached by two men.
One of the men then assaulted the victim, punching him in the face, before walking away with the second man along Gallowtree Gate.
The first suspect is white, about 5ft 10 in, of medium build and aged in his late 20s to early 30s.
He had short, messy hair with short facial hair and was wearing blue jeans and blue shoes with white soles and laces.
The second suspect is of a similar appearance but slightly shorter. He was wearing a grey hooded top.
Pc Charlotte Measey, who is investigating the incident, said: "Although the victim wasn't seriously hurt this was still quite a distressing incident for him.
"If you were in the city centre around 6.30pm on Monday, October 1, and you witnessed the incident or saw two people matching the descriptions of the suspects then please get in touch."
Anyone with any information is asked to contact Pc Measey on the police's non-emergency number, 101.
