POLICE are continuing their inquiries into the cause of a single-vehicle crash at Kempsey that has left two children dead and two others critically injured.
A grey 2004-model Mazda 3 sedan was travelling east on North St, West Kempsey, just after 7.30pm on Thursday when it left the roadway and struck a power pole.
A 15-year-old boy and 11-year-old girl, who were travelling in the back seat of the car, received fatal injuries in the incident.
The 16-year-old female driver and 14-year-old male front seat passenger suffered critical injuries and were treated by paramedics at the scene before being flown to Newcastle's John Hunter Hospital.
The girl remains in an induced coma, while the injured boy has since been airlifted to The Children's Hospital at Westmead for emergency surgery.
Police from Mid North Coast Local Area Command attended the scene.
Crash Investigation Unit officers from Port Macquarie are continuing their inquiries into the circumstances surrounding the incident, including speaking with the registered owners of the vehicle.
It's understood the teenage driver was the holder of a NSW learners permit and unaccompanied by a licensed driver at the time of the crash.
Anyone who witnessed the crash is urged to contact Crime Stoppers on 1800 333 000.