Two women have died after they were hit by a car in Melbourne .

Emergency services were called to the Hume Freeway in Craigieburn just after 7.30pm yesterday.

It's believed the two women were struck after they stopped to help an injured animal.

A 30-year-old Beveridge woman died at the scene.

A 30-year-old Thomastown woman was airlifted to hospital but died a short time later.

The driver of the car remained at the scene and has assisted police.

The circumstances of the crash are under investigation.

Any witnesses or anybody with footage or information is urged to contact Crime Stoppers on 1800 333 000 or online .

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