A motorcyclist has suffered serious leg injuries following a crash in Kwinana.
Police say a gold Holden Senator HSV sedan and a black Harley Davidson motorcycle, collided at the intersection of Mason and Donaldson Roads around 4.40pm on Thursday.
The 53-year-old male rider was airlifted to Royal Perth Hospital.
The 32-year-old male driver of the Holden was not injured.
Anyone with information or dash-cam vision relating to this crash, or who saw either vehicle travelling in the area prior to the crash, is asked to contact Crime Stoppers on 1800 333 000 or via www.crimestopperswa.com.au

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