Police investigating a brawl at a city centre bar which left a man with facial injuries have released CCTV footage of people they want to trace.
The fight broke out between two groups of people who had been in Jorrocks, in Iron Gate, Derby.
A 19-year-old man who had not been involved in the initial argument suffered facial injuries including a broken nose and needed hospital treatment.
CCTV footage has now been released and shows several people police want to speak to in connection with the incident.
One of the men was wearing a striped t-shirt, while another was wearing a dark t-shirt and had a bald or shaved head.
Officers also want to speak to several other men who were seen leaving Jorrocks via a back gate.
The incident happened at about 11.45pm on Friday, September 5.
Witnesses or anyone with information should call Derbyshire police immediately on 101, quoting crime reference 37817/14.
You can also call Crimestoppers, anonymously, on 0800 555 111.