Major Collision Investigation Unit detectives are investigating the circumstances surrounding a crash in Tolmie which has left a teenager with critical injuries.
Officers were called to the Mansfield-Whitfield Road scene, between Sawpit Gully and Spring Creek roads on Saturday 24 January just before 3am.
Investigators believe the vehicle was travelling north when it impacted a tree causing significant damage.
The passenger in the vehicle, a 17-year-old boy from Mansfield, had to be cut from the crushed vehicle before he was airlifted to hospital with life threatening injuries.
The driver, a 21-year-old boy from Merton, was also cut from the Ford sedan. He was airlifted to hospital with serious injuries.
Detectives are investigating whether another vehicle may have been involved.
Anyone who witnessed the incident or with dashcam vision is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report online at www.crimestoppersvic.com.au
