A family of four, including two teenage boys with ‘significant health challenges’, have been found dead inside their Perth home in a suspected double murder-suicide. 

A person who provided care services for the teenagers who are understood to suffer ‘sever autism’ raised the alarm at about 8.15am after arriving at the home, in Mosman Park, in the city’s west, for a pre-arranged visit.

Police officers entered the home and discovered the bodies of a 50-year-old father, a 49-year-old mother, and their two boys aged 14 and 16.

Two dogs and a cat were also found dead inside the home, and a note was located, but police have not disclosed what it said. 

Detective Acting Inspector Jessica Securo said no weapon was used during the incident and there is no known history of family violence connected to those involved.

‘Although this investigation is in its infancy, police are investigating this matter as a murder-suicide,’ she said.

‘There is no ongoing risk to the community.

She said the two teenage boys had ‘significant health challenges’.

Four people, including two children, have been found dead inside a home in Perthin a suspected murder-suicide.

‘At this stage I’m not able to disclose how these persons are deceased,’ she said.

‘However, I do reiterate that there doesn’t appear to be a violent incident that has occurred at the house.’

St John WA has confirmed five ambulance crews were called to the scene at 8.29am.

West Australian Police remain at the scene, with several surrounding streets closed off. 

Insp Securo said had previously engaged with care services.  

Mosman Park is one of Perth’s most expensive suburbs and is surrounded by beaches, including the city’s famous Cottesloe.