Police are asking for the public's help as they investigate a serious crash in Harvey.
A blue Subaru Impreza sedan was travelling along Harvey-Quindanning Road about 11.30am on Friday, June 19, when the vehicle left the road and struck several trees near Walker Road.
The driver and sole occupant, a 27-year-old man, sustained serious injuries in the crash and was airlifted to Royal Perth Hospital.
Officers are appealing for anyone who saw the crash, or has dash-cam vision of the crash, to contact Crime Stoppers either online at www.crimestopperswa.com.au or by calling 1800 333 000.
Reports can be made anonymously.
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