Police are investigating the circumstances surrounding a fatal collision which occurred in Diamond Creek.
Emergency services were called to Shute Street about 10pm after reports of a collision between a 4WD and an electric motorcycle.
The rider of the motorcycle, believed to be a teenage boy, was treated at the scene but could not be revived.
The driver of the 4WD is currently assisting police with their enquires.
The investigation into the circumstances surrounding the collision remain ongoing.
Detectives from Major Collision Investigation Unit have been notified and are attending the scene.
Anyone who witnessed the collision, with footage or information is urged to contact Crime Stoppers on 1800 333 000 or anonymously at www.crimestoppersvic.com.au
