Nearly 3,000 firefighting personnel are attacking the blaze that's burning primarily in rural areas of Santa Barbara and San Luis Obispo counties. The fire is 15% contained as of Thursday morning.

A wildfire in Southern California has burned over 72,000 acres in Santa Barbara and San Luis Obispo counties, officials said.

The Gifford Fire in Central California has grown into the state’s largest wildfire of the year, burning over 82,000 acres with minimal containment. Crews are battling extreme fire conditions fueled by dry vegetation and high winds,