Two teenagers were killed and three people seriously injured after a crash in Melbourne's west overnight.
Police say at least two off-road motorbikes and "potentially" a quad bike were involved in the collision on Beattys Road in Grangefields at about 6.35pm yesterday.
An 18-year-old Altona Meadows woman died at the scene.
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A 17-year-old Hoppers Crossing Boy was taken to hospital, where he later died.
A six-year-old boy and an 11-year-old boy were taken to hospital with serious injuries.
A 43-year-old Altona Meadows man was hospitalised with non-life-threatening injuries.
Police are investigating the circumstances around the crash.
Anybody with information is urged to contact Crime Stoppers on 1800 333 000 or online.