The bodies of four children and three adults have been found at a home in rural Western Australia.
Detectives have described the incident northwest of the holiday town of Margaret River as a "horrific tragedy".
Western Australia Police Commissioner Chris Dawson said police were called to the property at 5.15am on Friday.
Margaret River in Western Australia | Image: Google Earth
"The bodies of two adults were located outside, five bodies were located inside a building on the rural property.
"Two firearms have been located at the scene".
Commissioner Dawson confirmed some of the bodies had gunshot wounds.
He said the "male person" who had called the police had some connection to the property.