Two people have died and nine others are injured following a crash in Carwarp this morning.
Police have been told the driver of a mini-bus was travelling south along the Calder Highway when the vehicle rolled onto its side and crashed into a tree.
Sadly, two passengers died at the scene.
The male driver sustained critical injuries and was taken to hospital for treatment.
One passenger also sustained critical injuries and was airlifted to hospital for treatment.
Three other passengers sustained serious injuries and were taken to hospital for treatment.
The other four passengers were taken to hospital for observation.
The circumstances surrounding the collision are yet to be established and the investigation remains ongoing.
The Calder Highway between Kulkyn Way and Brownport Road is expected to be closed for several hours.
Anyone who witnessed the collision, or with dashcam is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report online at www.crimestoppersvic.com.au.