SARATOGA -- A man suffered life-threatening injuries in a two-vehicle crash early Saturday morning, a California Highway Patrol spokesman said.

Around 1:45 a.m., a Mazda sports car and a Chevrolet sport-utility vehicle collided on Highway 9, near Pierce Road, said Officer Ron Simmons.

The critically injured motorist was transported to a hospital, Simmons said.

Authorities still are investigating the cause of the accident and whether alcohol or drugs played a role.

Check back later for updates.

Contact Chris De Benedetti at 510-353-7011. Follow him at Twitter.com/cdebenedetti.