Wildfires menacing Los Angeles have killed at least 10 people and devoured nearly 10,000 structures, with five fires burning into a third night.

At least 10 people are now confirmed to have died in Los Angeles wildfires, which have destroyed more than 10,000 structures in the area. Firefighters continue to battle the spread of the flames, while police are investigating whether some have been set deliberately.

As wildfires roar into residential neighborhoods, firefighters in California and elsewhere are finding that water systems can’t keep up with the demand.