Police and emergency services are currently at the scene of a single vehicle rollover in Dingwall, Victoria Police say.
It is believed the vehicle was travelling on Boort-Kerang Road near Normanville Road just before 12.30am when it left the road, rolled and landed in trees.
All five male occupants are yet to be formally identified at this stage but are believed to be from overseas, currently working in Australia.
The male driver and two male passengers died at the scene.
One passenger was airlifted to hospital in a critical condition the other is being treated for non-life threatening injuries.
The exact circumstances surrounding the crash are yet to be determined.
Anyone with information is urged to contact Crime Stoppers.
2017: 166
2016: 201
/Public Release. This material from the originating organization/author(s) may be of a point-in-time nature, edited for clarity, style and length. The views and opinions expressed are those of the author(s).