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Photo: 123RF
Officers were called to the home about 12.20pm yesterday, where they discovered the bodies of Katie Perinovic, 42, her three-year-old son Matthew and two daughters Claire and Anna, aged seven and five.
The husband and father, Tomislav Perinovic, 48, called emergency services to report the deaths.
Acting Deputy Commissioner Bob Hill said the man was assisting police with their enquiries , but stressed the investigation was ongoing and it was very important we do not speculate .
But he said the father had provided an account to police, and investigators did not believe any other parties were involved. He is a person of interest and he is assisting police with our enquiries, Acting Deputy Commissioner Hill said.