The fire in Castaic in northwestern Los Angeles County raged through about 4,625 acres of hills containing scattered houses. Temperatures in the area hit 107 degrees.
California wildfires chewed through rural areas north of Los Angeles and east of San Diego on Thursday, racing through bone-dry brush and prompting evacuations as the state sweltered under a heat wave that could last through Labor Day.
The Route Fire, which erupted at approximately 1:30 p.m. Wednesday, has burned 5,209 acres as of 7:30 a.m. Thursday and is currently at 12% containment, according to the Los Angeles County Fire Department.
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