Witness are being asked to come forward after a man has been assaulted in a popular Lincoln night spot.
The incident happened at around 2am on October 22 inside Home nightclub on Park Street.
An 18-year-old man was dancing near a metal railing on the second floor of the club when he was punched in the face.
The victim sustained injuries in the unprovoked attack.
Anyone who witnessed the incident is asked to contact Pc Graham Lawrence of Lincoln CID on 101, quoting crime reference number 32140052007.
Alternatively, call Crimestoppers anonymously on 0800 555 111.