Detectives from Major Collision Investigation unit are appealing for information following a collision in Springvale South this evening.
Investigators have been told a girl was hit by a blue BMW station wagon on Golden Grove about 5pm.
The girl suffered life-threatening injuries and was taken to hospital for treatment.
The male driver of the BMW is currently assisting police with their enquires.
Anyone who witnessed the incident or with dashcam footage from the area at the time is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report via www.crimestoppersvic.com.au