Two people have been killed in a crash between a motorbike and a truck in Melbourne's south-east this morning.
The motorcyclist and his male pillion passenger died at the scene of the crash in Dingley Village about 7.45am.
A Victoria Police spokeswoman said the motorcyclist and his passenger collided with the truck at the intersection of Westall and Rowan roads at 7.45am.
Roadworks were taking place along Westall Road, where the speed limit had been reduced to 40km/h.
A witness named Mark told radio station 3AW that the motorbike was attempting to overtake another vehicle when it slammed into the side of the truck.
The witness said the motorbike had overtaken him as he was doing 40km/h.
Officers from the major collision investigation unit are on their way to the crash scene, and motorists have been advised to avoid the area.
Police appealed for anyone who saw the crash to contact Crime Stoppers on 1800 333 000 or visit www.crimestoppers.com.au.