Police are investigating the circumstances surrounding a collision that left a man with life-threatening injuries in Sunbury last night.
It is believed a 29-year-old Bacchus Marsh man was struck by a white Nissan Navara at a property on Lancefield Road about 7.15pm.
Prior to police arrival the man was transported to a nearby medical centre and airlifted to hospital where he remains with life-threatening injuries.
The driver of the Nissan, a 65-year-old Mill Park man remained at the scene and has since been interviewed by detectives.
He has been released pending further enquiries.
A woman who accompanied the man to the medical centre is also assisting police with their enquiries.
The investigation into the circumstances surrounding the incident remains ongoing.
Anyone with information or footage is urged to contact Crime Stoppers on 1800 333 000 or visit www.crimestoppersvic.com.au
