Detectives from the Mackay Child Protection and Investigation Unit have declared a crime scene at a house in Eungella following the sudden death of a two-year-old girl.
Police were called to the property on Bee Creek Road at 2.20pm and found the child unresponsive in a vehicle.
An investigation has commenced and detectives will work to determine the circumstances surrounding the incident.
No further information is available at this time.
If you have information for police, contact Policelink by providing information using the online suspicious activity form 24hrs per day at www.police.qld.gov.au/reporting or call 131 444.
Report crime information anonymously via Crime Stoppers. Call 1800 333 000 or report online at www.crimestoppersqld.com.au.
For help, members of the public are encouraged to contact Lifeline on 13 11 14 or visit www.lifeline.com.au or Beyond Blue on 1300 22 4636 or at www.beyondblue.org.au.