Ten confirmed deaths and more than 9,000 structures have been damaged or destroyed and more than 150,000 people remain under mandatory evacuation orders. Law enforcement sources told The Times that it’s likely many of the small fires will turn out to have been the work of arson.

Fires ignited in Pacific Palisades, Sylmar, Altadena and Hollywood Hills, forcing thousands to evacuate amid a life-threatening and destructive windstorm slamming Southern California.