POLICE are investigating a serious crash which occurred in Broadwater on Friday night around 11.20pm after Busselton police attempted to stop a Holden Commodore sedan.
The car was travelling at speed south along the Bussell Highway near Travellers Well Street and failed to stop for police.
A short time later the car hit a tree.
The 35 year old male driver of Peppermint Grove Beach sustained serious injuries in the crash and was taken by air to Royal Perth Hospital.
Police, including officers from Internal Affairs and Major Crash Investigation Unit, will conduct further inquiries into the incident.
Anyone who can assist in the investigation is asked to call Crime Stoppers on 1800 333 000 or make a report online at crimestopperswa.com.au.