The driver and a passenger fled the scene of car crash that killed two teenage girls on the Monaro Highway in Canberra's south on Sunday morning.
ACT police say a Toyota sedan left the highway and crashed through a row of temporary fencing before hitting a tree near Lanyon Drive at Hume.
A passer-by found the wreck and alerted emergency services who found two girls, aged 14 and 15, dead in the car about 8:10am.