Detectives have arrested a man following the discovery of a woman's body at a Cranbourne North house in Melbourne's southeast after a fire.
The 38-year-old man was arrested at a home in Berwick, a suburb away, just before 4pm on Friday.
The man and the dead woman are believed to have known each other.
The other occupants who lived at the Cranbourne North address have been found safe following the fire.
Police will await the results of a post mortem regarding exact cause of death.
Anyone with information is urged to contact Crime Stoppers on 1800 333 000.