Wildfires raged for the third straight day, destroying swaths of America’s most populated county and displacing tens of thousands of residents, with firefighters struggling to contain the biggest blazes.

Firefighters are battling to control a series of major fires in the Los Angeles area that have killed five people, ravaged communities from the Pacific Coast to Pasadena and sent thousands of people frantically fleeing their homes.

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.