According to the CHP, a vehicle drifted off the side of the roadway and crashed into a tree

Mendocino, CA.- Three people were critically hurt in a crash involving one vehicle near Mendocino on Monday afternoon, the California Highway Patrol reported.
The crash was reported at about 4:24 p.m. September 1, on Little River Airport Road
According to the CHP, a vehicle drifted off the side of the roadway and crashed into a tree.
It's unclear what caused the driver to veer off the roadway.
Three occupants of the vehicle were critically hurt while a fourth sustained minor injuries.
At leat two air ambulances were requested to transport patients from the scene.
The cause of the accident is under investigation by the CHP.
