WATCH LIVE: The fight to contain California wildfires that have spread through San Fernando Valley

WATCH LIVE: The fight to contain California wildfires that have spread through San Fernando Valley
A rapidly spreading wildfire destroyed mobile homes in Calimesa, California. (Source: RMG News via CNN)

Watch live aerial coverage from KNBC in Los Angeles as crews fight the wildfires burning near Sylmar, CA. The fires have spread over 4,000 acres.

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