LOS ANGELES (AP) — A wildfire threatening thousands of homes in Southern California spread slowly through scenic canyonlands Saturday, straining resources as crews struggled to contain hundreds of other blazes around the state.

“The firefighters are stretched thin, they are exhausted,” and some have gone days without sleep, said Gov. Arnold Schwarzenegger, who visited a command post in Santa Barbara County.

A slew of wildfires, most ignited by lightning two weeks ago