A policeman reportedly suffered a suspected broken nose after attending an incident at a Pinchbeck pub.
Lincolnshire Police say they were called to a report of an assault at The Bull in Knight Street, Pinchbeck at 1am on Sunday, December 1.
It was following a report and 18-year-old has assaulted a 19-year-old and that damage had been caused to the pub and a car outside.
Police say an officer that attended received an injury to his nose.
A tweet by South Holland Police said: “One of @SpaldingPolice officers assaulted over the weekend. Responded to disturbance and was punched in face causing a suspected broken nose. Offender arrested and officer will be supported by us. #joblikenoother“
A spokesman for Lincolnshire Police, said: “An 18-year-old old was arrested and has been released under investigation.”