POLICE are investigating whether two cars were street racing before a collision in Cranbourne overnight that has left a woman fighting for her life.
Major Collision Investigation Unit (MCIU) Investigators have been told that a Holden Commodore and a Ford Falcon were travelling side by side in the southbound lanes of the South Gippsland Highway at about 11.30pm.
Police believe that the driver of the Ford, which was travelling in the inside lane, lost control of his vehicle and hit the Commodore.
Both cars ran off the roadway, mounted the centre median strip and collided with a concrete pole, police said.
A female passenger in the Ford suffered life-threatening injuries and was flown by air ambulance to The Alfred hospital.
The drivers of the two cars, both men, suffered minor injuries while the male passenger in the Holden suffered serious injuries. All occupants have been taken to hospital.
MCIU detectives are yet to piece together the exact circumstances surrounding the collision and would like to speak to anyone who may have witnessed the incident.
Anyone with any information is asked to contact Crime Stoppers on 1800 333 000.
