UPDATE (10:00 a.m.) - California Highway Patrol reports Hwy 154 has reopened about an hour after the crash was first reported. The closure was lifted at about 9:45 a.m.
(9:17 a.m.) - A section of Hwy 154 is closed Thursday morning after a two car crash blocked the highway in Los Olivos.
The crash was reported in the westbound lanes of Highway 154 at Foxen Canyon Rd. at 8:40 a.m. The westbound lanes of the highway are closed while a Santa Barbara County helicopter lands.
Officials report one person sustained major injuries, and two suffered minor injuries in the crash.
A pickup truck and a sedan were involved in the crash, which caused one vehicle to catch fire.
This is a developing story. Check back for updates.