Seven people have been arrested after a 21-year-old man was found dead near a supermarket in Lincoln.
Shaun Rossington, of Dunkirk Road, was found near the Waitrose supermarket in Searsby Road early on Thursday.
Police have confirmed he died from head injuries.
Two men, aged 25 and 20, three 16-year-old males and two girls aged 13 and 16 have been arrested on suspicion of committing murder.
Police have appealed for anyone who saw Mr Rossington in the hours before his death to contact them.
Officers said he was of athletic build, 6ft 4in tall and wore a hooded sweatshirt and dark-blue tracksuit bottoms.