Police are investigating after a collision involving multiple vehicles in Tullamarine on Tuesday, September 16.
Five vehicles and a truck are believed to have collided while travelling along the Tullamarine freeway near the Mickleham Road exit just after 5.30pm.
One driver was taken to hospital with critical injuries.
Four drivers were treated for non-life-threatening injuries at the scene, and the male truck driver is currently assisting police with inquiries.
Investigators are keen to speak to any witnesses or anyone with dashcam footage of the incident.
Anyone who witnessed the collision, has CCTV/dashcam footage or any information that could assist police is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report online at www.crimestoppersvic.com.au.
