This is the harrowing footage of aircrews racing to attack the out of control Bobcat fire in Los Angeles County on September 17. <br /><br />The Bobcat Fire burning in the Angeles National Forest grew overnight to 50,539 acres or nearly 80 square miles, the U.S. Forest Service stated in an update Thursday.<br /><br />The blaze remains only 3% contained as crews work to keep the fire away from the Mt. Wilson Observatory and local communities.<br /><br />On Thursday afternoon, evacuations were ordered for residents in the foothills north of the blaze, including Juniper Hills in the Antelope Valley and Devils Punchbowl.
