Police are investigating after three vehicles collided in Oaklands Junction this morning.
It is believed a white Utility, a white Isuzu truck and a blue Isuzu truck collided on Oaklands Road about 7am.
The male driver of the utility was taken to hospital with life-threatening-injuries.
The male driver of the blue Isuzu was taken to hospital with serious injuries and his passenger was taken to hospital with non-life-threatening injuries.
The male driver of the white Isuzu truck was taken to hospital with non-life-threatening injuries.
The exact circumstances surrounding the collision are yet to be established and the investigation remains ongoing.
Anyone who witnessed the collision, has dashcam/CCTV footage or information is urged to contact Crime Stoppers on 1800 333 000.