Police, emergency services and ambulance medical services were called during Wednesday morning to a villa in Trelleborg after an alarm and a fire in a villa.
Later in the day, the police announced that a 65-year-old man had died.
Next of kin must be informed.
A report of public negligence has been taken up, the police write on their website.
READ MORE:
Over 1,000 berry pickers were refused – decision revoked
Man babysat – raped 75 times
Toyota halts work at Northvolt after deaths
UN experts: Starvation is used as a weapon in Sudan