Two people have been arrested on suspicion of murder following the death of a 29-year-old man.
A 25-year-old woman and a 39-year-old man were taken into custody after a man was found with serious injuries at a property in Chapman Court, Ingoldmells, Lincolnshire, on Wednesday morning.
He was pronounced dead a short time later.
Det Insp Jim Hodgson, who is leading the inquiry, said: "We are now investigating this as a murder."
Detectives are appealing for witnesses. Anyone with information should contact Lincolnshire Police on 101.