Two teenagers dead, one child in hospital after Coolup crash

Two teenagers are dead and a child is in hospital after a serious car crash in WA's Peel region on Saturday night.

A Holden Commodore sedan was travelling south on Brownes Road when it left the road and rolled shortly before 8pm.

The 17-year-old girl driving the car died at the scene along with a 17-year-old boy.

A 10-year-old boy was seriously injured in the crash and airlifted to Perth Children’s Hospital while another 17-year-old boy was flown to Royal Perth Hospital.

Major crash detectives are investigating the incident and are asking witnesses to call CrimeStoppers on 1800 333 000 or by make a report online.