Police are investigating a two-vehicle crash 20km south of Glen Innes yesterday, NSW Police say.
Emergency services were called to Ben Lomond Range on the New England Highway, 5km south of Glencoe, about 12.15pm on Monday 2 October 2017, following reports a Holden Vectra and Mazda CX9 had collided.
A 35-year-old woman, who was the driver of Holden Vectra, was treated by NSW Ambulance paramedics before being airlifted to John Hunter Hospital in a critical condition with head injuries.
Her passenger, a 12-year-old girl, was also treated at the scene for a broken collar bone, before being taken to Armidale Hospital.
The driver of the Mazda CX9, a 39-year-old man and his passenger, a 43-year-old woman, were assessed by paramedics for non-life threatening injuries. The woman was taken to John Hunter Hospital with a fractured sternum and the man was treated for a foot injury.
Four boys, aged six, 10, 13, 15, were treated at the scene before being taken to Armidale Hospital for a range of minor injuries, with the 13-year-old boy receiving a fractured pelvis.
Officers attached New England Local Area Command established a crime scene and commenced an investigation.
Police are appealing for anyone with information about the case to come forward and speak to police.
Police are urging anyone with information in relation to this incident to call Crime Stoppers.