Police are investigating the circumstances surrounding a fatal collision which occurred in Truganina on Thursday in which a Hillside man fled the scene of.
Police have been told the male driver of a silver Holden SUV collided with another vehicle on Hopkins Road about 12.50am.
The impact of the collision forced the other vehicle to flip onto its side and catch fire.
The driver of that vehicle sustained life-threatening injuries and later died in hospital.
The driver of the Holden SUV, a 23-year-old Hillside man, fled the scene on foot.
He was apprehended by officers a short time later and is currently assisting police with their inquiries.
The exact circumstances surrounding the collision are yet to be determined.
Anyone with information can contact Crime Stoppers on 1800 333 000 or www.crimestoppersvic.com.au.
