Detectives are appealing for anyone with dashcam video footage, or who witnessed a bike rider prior to a fatal collision in East Malvern last night, to contact Crime Stoppers.
It is believed the bike rider was travelling south on Darling Road near Manning Road about 5.30pm when they were struck by a car.
The rider, who died at the scene, has yet to be identified.
The driver of the car stopped to assist and was not injured.
The exact circumstances surrounding the crash are being investigated.
Anyone who witnessed the incident, has dashcam/CCTV footage or can provide information is urged to contact Crime Stoppers on 1800 333 000 or make a report online at