POLICE are investigating a serious crash in Banksia Grove where an overtaking vehicle rolled several times.
About 6.25pm on Saturday a blue Subaru Impreza sedan was travelling east on Neaves Road, about 500m east of Old Yanchep Road.
After the vehicle overtook another, it rolled several times, coming to rest on its roof on the road.
The three occupants of the vehicle, all aged in their 30s, were taken to Royal Perth Hospital by St John Ambulance, with the rear passenger receiving serious injuries.
The Department of Fire and Emergency Services and police also attended the scene.
Anyone with information or dash-cam footage from the area about the time of the crash are urged to contact Crime Stoppers on 1800 333 000 or www.crimestopperswa.com.au.