A man was allegedly knocked unconscious after being punched in a pub in Cleethorpes.
The incident happened in The Bobbin on the High Street just before midnight on Saturday, September 7, where the man fell to the floor and hit his head. He was later taken to hospital for checks and has since been discharged.
Humberside Police published CCTV images on Friday, December 13 of the suspect the force wishes to identify in connection with the assault.
He walked out of the venue straight after the incident, leaving the other man on the floor.
Anyone with information, or who recognises the pictured man, should contact Humberside Police on 101 quoting reference 16/101507/19.