Queensland Police are investigating the circumstances behind the death of a man and child whose bodies were found in a car on the Sunshine Coast on Wednesday.
Detectives are treating the matter as a murder-suicide.
"At this stage, detectives are treating the death of the child as suspicious and the man's death as non-suspicious," a Queensland Police spokesperson said.

The bodies were found in a car at Roys Road camping ground in Coochin Creek. Source: Google Maps
The bodies were found at about 8am, inside a vehicle at the Roys Road camping ground on the banks of Coochin Creek in the Beerburrum East State Forest.
It's understood the bodies were found by council workers.
The relationship of the two individuals is not yet known and investigations are continuing.
Readers seeking support and information about suicide prevention can contact Lifeline on 13 11 14.