Greater Dandenong Highway Patrol officers are appealing for public assistance following a collision in Eumemmering last night.
It is understood a pedestrian was struck by a vehicle when he was crossing the Princes Highway about 7pm.
The male pedestrian was taken to hospital with life-threatening injuries, where he remains in a critical condition.
The driver of the car, a 21-year-old Chadstone woman, stopped at the scene.
Police are working to establish the exact circumstances of the incident and investigations are ongoing.
Anyone who witnessed the collision, has dashcam/CCTV footage or information is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report online at www.crimestoppersvic.com.au
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