Westgate Highway Patrol officers are appealing for witnesses and dashcam footage after a serious collision in Laverton North on Wednesday, 19 May.
Emergency services were called to Little Boundary Road to reports of a multi vehicle collision about 3.10pm.
It's believed a blue Holden Commodore ute travelling west on Little Boundary Road collided with a stationary white Hilux ute propelling it over the median strip where it landed on its roof.
The blue Commodore then collided with a grey Subaru, a grey Nissan 4WD and a silver Lexus sedan.
The driver of the Commodore, a 26-year-old Bundoora man was taken to hospital with life-threatening injuries.
The female driver of the white Hilux was taken to hospital with non-life-threatening injuries.
The drivers of the other vehicles were treated by ambulance paramedics at the scene.
The exact circumstances surrounding the collision are yet to be determined.
Anyone who has dashcam footage or any information that could assist police with their enquiries is urged to contact Crime Stoppers on 18000 333 000 or submit a confidential crime report at www.crimestoppersvic.com.au
