Officers investigating an assault in Mansfield would like to speak to these men in connection with the incident.
At around 1am on 8 October a group of men had an argument in Rush nightclub, Clumber Street. One man was then punched and sustained serious facial injuries.
Do you know who the men are or have any other information?
Call Nttinghamshire Police on 101, quoting incident number 863 of 8 October 2017. Alternatively, you can call Crimestoppers anonymously on 0800 555 111.