One man has died, and another man has been injured, in a two-car collision in the Hawkesbury region overnight.
At around 9.20pm on Tuesday, July 7, emergency services were called to Wisemans Ferry Road in Cattai following reports that a van and Subaru had collided.
The driver of the Subaru, a 21-year-old man, died at the scene.
A passenger in the car, a 20-year-old man, sustained head injuries and was taken to Westmead Hospital.
The van's driver, a 49-year-old woman and a 14-year-old male passenger, suffered only minor injuries.
The woman has been taken to Westmead Hospital to undergo mandatory blood and urine testing.
A crime scene has been established by officers attached to Hawkesbury Police Area Command and inquiries are continuing.
A report will be prepared for the information of the coroner.