Wildfire in L.A. County closes major highway

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 near Castaic in northwestern Los Angeles County raged through more than 8 square miles of hills containing scattered houses. Traffic was snarled on Interstate 5, a major north-south route running through fire area. Containment was estimated at 12%.

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