A man found dead in a house in Johnstone in Renfrewshire had "significant injuries", police have said.
Officers discovered the 42-year-old's body at the property in Greenend Avenue at about 10:45 on Saturday.
Detectives were treating the death as suspicious and said they believed there was a disturbance at the house at about 00:05, when someone came to the door.
They have appealed for anyone with information to come forward.
A post-mortem examination was due to take place to establish the exact cause of death.
Det Insp Mark Henderson of Police Scotland's Major Investigation Team said: "The 42-year-old man was found with significant injuries and as such extensive police enquiries are ongoing to establish how he came about these injuries.
"We believe that there was a disturbance at the house around 0050 hrs on Saturday 25 February when a person or persons came to the door and I appeal to anyone who may have heard anything at this time or anyone who saw anyone hanging around Greenend Avenue to contact police at Govan via telephone number 101."