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.

Firefighters battled Thursday to control a series of major fires in the Los Angeles area that have killed seven people, burned at least 10,000 structures from the Pacific Coast to Pasadena and sent thousands of people frantically fleeing their homes.

Water experts dismissed Trump’s claims that California water policy is to blame for dry hydrants. But Los Angeles is also unprepared for the age of urban wildfires.