Police are investigating a single vehicle crash in Roxburgh Park that has left a teenaged boy in a critical condition.
According to police, a Holden Commodore station with six occupants was travelling along Roxburgh Park Drive about 6.30pm on Wednesday, December 8.
It is believed that the driver lost control of the vehicle near McKenzie Crescent, mounted the kerb, and struck a tree.
Police said a 15-year-old Coolaroo boy, believed to be the driver, was taken to hospital where he remains in a critical condition.
All five male passengers, aged between 14 and 15, were treated for non- life-threatening injuries.
The exact cause of the crash is being investigated and police would like to speak to anyone who witnessed the incident or has dash cam footage.
Anyone with information is urged to contact Crime Stoppers on 1800 333 000 or submit an online report at www.crimestoppersvic.com.au