The Forensic Crash Unit are investigating a fatal single-vehicle crash at Neumgna this morning, May 1.
Initial information indicates that around 8:31am, a Mitsubishi Eclipse was travelling southbound on Kingaroy-Cooyar Road before it left the roadway and went down an embankment.
The driver of the vehicle, a 72-year-old Kingaroy man, was declared deceased at the scene.
Two passengers, a 68-year-old Kingaroy woman and a 43-year-old Highgate Hill man, both sustained serious injuries and were airlifted to hospital in critical conditions.
Investigators are appealing to anyone who witnessed the crash or who has relevant vision, to contact police.
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.
Report crime information anonymously via Crime Stoppers. Call 1800 333 000 or report online at www.crimestoppersqld.com.au.