Police are investigating the circumstances surrounding a fatal collision which claimed the life of a motorcyclist in Wantirna on Tuesday afternoon (Sept. 20).

Emergency services were called to the intersection of Mountain Hwy and Boronia Rd where a car and motorcyclist collided about 2.50pm.

The rider of the motorcycle died at the scene.

The driver of the car was not injured and is assisting Police with their enquiries.

Investigations into the exact cause of the collision are ongoing.

Anyone with information or dashcam/CCTV footage is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report online at www.crimestoppersvic.com.au