A man was knocked unconscious and suffered severe facial injuries following an assault near a Daventry nightclub.
The 32-year-old man was punched in the face by a member of a group after an argument escalated in New Street near to The Square nightclub between 2.10am and 2.25am on Sunday July 14.
The man received treatment in hospital for his injuries and police are now appealing for witnesses to the incident.
The offender is described as a white man, aged around 25, 6ft tall, of stocky build with short, mousy hair. He was wearing a white T-shirt and green shorts.
Witnesses to the incident, or anyone with information, should call Northamptonshire Police on 101 or Crimestoppers anonymously on 0800 555 111.