According to police, the incident occurred when a a Toyota Prado had travelled to a property at Edgell Lane, near Ulan Road north of Mudgee shortly after 1pm on Sunday.

Concerns were then raised for the group’s welfare after they failed to return.

MAP: Where the incident occurred …

The car was located by a neighbouring landowner in a paddock at about 3.15pm, and appeared to have rolled a number of times.

All nine occupants of the vehicle were teenage girls.

A 14-year-old girl was ejected from the vehicle and sustained life-threatening injuries.

She was airlifted to the Children’s Hospital at Westmead, where she remained in a critical condition.

The other eight occupants managed to escape from the vehicle when it came to rest and suffered varying degrees of injury, none of which are life-threatening.

Officers from Orana Mid-Western Police District established a crime scene and were investigating the circumstances surrounding the crash.

Anyone with information about this incident is urged to contact Crime Stoppers on 1800 333 000 or at www.nsw.crimestoppers.com.au.