A man in his 30s suffered serious head injuries after an assault in Market Rasen on Bank Holiday Monday, May 30.
The man, in his 30s, was assaulted outside Rasen Pizza House in Queen Street at around 2.40am.
He was taken to Lincoln County Hospital. The man was found by passers by laying on the ground.
DC Tina Kennedy from Gainsborough CID is appealing for anyone who saw the man being assaulted, or has any information that will help her investigation, to contact Lincolnshire Police on 101 or to call the national charity Crimestoppers anonymously on 0800 555 111.