Police are investigating the sudden death of a 3-year-old girl at Cambooya last night.
The child was located deceased at a residence on the New England Highway near Greenmount-Etonvale Road at 8.20pm.
A post mortem will be carried out tomorrow to determine the cause of death.
A 36-year-old woman, 71-year-old man and 65-year-old woman present on the property at the time have been spoken to by police.
Investigations by detectives are continuing.