Police have released images of a group they wish to speak to in connection with an assault that took place in Radford.
A 37-year-old man was left with a broken nose and other facial fractures following an attack on Norton Street.
The incident occurred at around 9.50pm on Friday 28 March.
Officers believe the four individuals in the images may be able to assist with their investigation.
Detective Inspect Christopher Berryman, of Nottinghamshire Police, said:
“We are eager to speak to the people pictured and would urge anyone who recognises any one of them, or who may know any details that can help, to get in touch.”
Those with information are asked to call 101, quoting incident number 810 of 28 March.
Alternatively, details can be reported anonymously to Crimestoppers on 0800 555 111.