<p>A brush fire that forced the evacuation of residents in southwest Idyllwild expanded to over 4,700 acres on Wednesday.</p><p>The San Bernadino National Forest tweeted</a> that the fire began off Highway 74 between Hemet and Mountain Center, California. The highway was closed</a> in the area due to the growing fire.</p><p>The cause of the fire is believed to be arson, according to ABC 7</a>, and the police reportedly detained</a> an individual on suspicion of arson.</p><p>This video was shared on July 25, shortly after the Cranston Fire reportedly began</a> around noon. Credit: Alper Tetikoglu via Storyful</p><br />