A woman has been found dead inside a home in Eaton, in the Western Australian city of Bunbury.
Police were called to the home in the city's north-east just after 8.30pm last night.
The woman's death is being treated as suspicious and Major Crime detectives are investigating.
A police spokesman said several reports were also received around the same time of a naked man behaving erratically on the South West Highway.
It is believed the man is an occupant of the home in which the woman's body was found.
Anyone with information is urged to contact Crime Stoppers on 1800 333 000.