Two teenagers have been killed and three people seriously injured in a collision in Grangefields on Sunday.
Police have been told at least two off-road motorbikes and potentially a quad bike were being ridden on Beattys Road when the collision occurred about 6.35pm.
Five people were injured as a result of the collision, including an 18-year-old Altona Meadows woman who died at the scene.
A 17-year-old Hoppers Crossing boy was taken to hospital with life-threatening injuries, where he later died.
Two younger children, a six-year-old boy and 11-year-old boy, were taken to hospital with serious injuries.
A 43-year-old Altona Meadows man has been taken to hospital with non-life-threatening injuries.
The circumstances surrounding the collision are yet to be established.
Anyone with information is urged to contact Crime Stoppers on 1800 333 000 or at www.crimestoppersvic.com.au.
