Police will hold a press conference into an incident in the Perth suburb of Ellenbrook that has involved the Homicide Squad.
WA Police have so far released very few details of the incident, except to say a man has been arrested by Homicide Squad detectives.
Metropolitan Region Assistant Commissioner Paul Steel will front a media conference around 1pm on Sunday.
Police were called to the scene early on Sunday. The street has been cordoned off with a large police presence.