A man who was found collapsed in Saxilby, near Lincoln, has died in hospital.
Detectives are treating his death as suspicious.
Raymond Jackson, who was 54 and from Saxilby, was discovered on Williams Street on Wednesday morning.
He was suffering from hypothermia and a head injury, and died on Wednesday night.
The police are investigating and a post-mortem examination will be carried out later on Thursday.
Officers say Mr Jackson had been at the Saxilby Sports and Social club on Tuesday evening, wearing a sheepskin jacket.
They want to hear from anyone who thinks they might have seen him.