Lincolnshire Police are investigating an alleged assault in Lincoln involving several men fighting on the High Street.
The incident took place on Monday, February 25, some time between 10.45pm and 11.15pm.
The alleged assault took place in the middle of the Lincoln High Street, between Cranwell Street and Shakespeare Street.
A number of men may have been fighting in the road when one of them sustained an injury.
Anyone who can recall witnessing an incident in the area at the time, or has information about the alleged assault, is asked to contact PC Lawrence at Lincoln CID on 101.