Seven people - including four children - have died in Western Australia in what police are describing as a "mass tragedy".
More light has been shed on the identities of those who were killed in a deadly shooting at a rural property in Western Australia early this morning.
"Homicide Squad detectives from Perth are assisting local police in investigating the circumstances surrounding this tragedy".
He said the bodies of two adults were found outside a building on the property, and five bodies were found inside.
He stated that police did not have any additional information that would "raise further public concern".
"Police are now responding to what I can only describe as a horrific incident", Mr Dawson told reporters in Perth.
Authorities were called to the scene at 05:15 local time (21:15 GMT on Thursday) after receiving a phone call from a "male person", Mr Dawson said.
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Police are not looking for any suspects at this time. We are trying to locate other members of the family and friends.
The bodies of three adults and four children were discovered on the property at Osmington.
Upon arrival, 4 children and 3 adults were found deceased.
'As we watch this mornings awful Margaret River tragedy, I'm sure a lot of us are wondering if you and your family are okay??!' wrote Debbie Carroll.
The commissioner said the police chaplain had been called to attend the scene of the tragedy to support the emergency services.
Mr Dawson said: "This will be a very large scale and detailed investigation". They all resided at the property, he said.