A man suffered ‘serious injuries’ after being punched in the face on a night out in Nottingham city centre.
Police said it happened on Talbot Street at around 2.10am on Friday, September 15.
The victim was walking on the street when a stranger approached him and attacked him.
Officers say he was left seriously hurt, but released no further details.
The attacker was white, aged 19-20, of an athletic build, and had frizzy brown or tan coloured hair tied in a pony tail.
He was wearing a black or dark blue sweatshirt, with blue jeans and black trainers.
Anyone who can help is asked to contact Notts Police on 101 giving the incident number 264 of September 15.