A MOTORBIKE rider in his 20s suffered serious injuries when his bike collided with a tree on Riverside Drive in East Perth last night.
At about 9:50pm, the blue Yamaha motorcycle was being west near the causeway when the rider lost control.
St John Ambulance attended the scene, and took the rider to Royal Perth Hospital.
His condition is not life threatening.
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READ NOWA second motorcycle, a white Triumph was located near the crash.
Police are investigating if the second motorcycle was involved in the same crash.
Anyone who may have seen the motorcycles prior to the crash or has information that can assist police, please contact Crime Stoppers on 1800 333 000 or report online to www.crimestopperswa.com.au