Police are appealing for help identifying a man they want to speak to in connection with an assault.
The incident took place at The Bierkeller bar, in Friar Lane, Nottingham, on Wednesday 7 December 2022.
A member of staff required stitches after a beer keg was thrown over a fence and struck his head.
Officers are appealing for help identifying a man seen wearing a Santa hat on the night in question, as it is believed he may have information that could assist the investigation.
PC Manmeet Uppal, of Nottinghamshire Police, said: “This incident left a member of staff in hospital and we believe the man in the image can assist with our inquiries into the incident.
“If you are him, or know who he is, please get in touch with us by calling 101 quoting incident 22*724287.”