Police and emergency services are currently at the scene of a fatal collision at Balliang this afternoon.
Investigators believe a collision involving up to three cars occurred on Bacchus Marsh-Geelong Road, at the intersection of Birds Road and Sharkey Road, just after 1pm.
A man and a woman from separate vehicles died at the scene.
A boy has been airlifted to hospital with life-threatening injuries.
A man is being treated at the scene for non-life-threatening injuries.
Major Collision Investigation Unit are enroute to the scene.
The exact circumstances surrounding the collision have yet to be determined and the investigation is ongoing.
Police are appealing for witnesses or anyone with dash cam vision of the incident to contact Crime Stoppers on 1800 333 000 or submit a confidential report online at www.crimestoppersvic.com.au
Provisional Lives Lost:
2019: 225
2018: 167