Police have released a CCTV image of a man they wish to trace after an attack at the Market Inn pub in Huthwaite.
The incident happened on Friday 4 August at around 10.30pm.
The 49-year-old victim has approached officers with his top torn and dried blood on his left ear.
He said he has been attacked in the pub.
Officers delivered first-aid and ensured the victim got home.
Officers have attended the pub and carried out a number of inquiries to locate the suspect.
They have released a CCTV image of a man that could help them with their investigation.
PC Stephen Nightingale, who is investigating the incident, said:
“We believe the victim was headbutted and are determined to find the person responsible.
“We have released an image of a man that could help us with our inquiries. If you know the man in the picture or are the man in the picture, we would urge you to get in touch as soon as possible.”
Anyone with information can call 101 quoting incident number 0841 of the 4th of August 2023 or Crimestoppers anonymously on 0800 555 111.