CLEARLAKE OAKS, Calif. – A crash near Clearlake Oaks that occurred Friday afternoon along Highway 20 sent one person with major injuries to a regional trauma center.

The wreck, involving a black Ford Mustang and a big rig, occurred shortly after 4 p.m.

The mustang’s driver was reportedly pinned in the vehicle and had to be extricated by firefighters, according to reports from the scene.

The highway was shut down until shortly after 5 p.m. as firefighters and paramedics worked at the crash site.

There also was an estimated 40 gallons of diesel spilled that required Lake County Environmental Health to responf, according to radio reports.

REACH 6 air ambulance set down at a landing zone in Clearlake Oaks and flew the Mustang’s driver to Santa Rosa Memorial Hospital for treatment of major injuries, officials reported.

At about 4:45 p.m. a second crash was reported at Highway 20 and Henderson Drive, when a vehicle went off the hill and into a driveway. A Cal Fire medic unit had to be sent from Hidden Valley Lake due to a shortage of ambulance on the Northshore at that point.

Additional details about the crash victims were not immediately available Friday night.