A rapidly growing brush fire near Hemet, California prompted the evacuation of residents of southwest Idyllwild on July 25 as the blaze grew to 4,700-acres.The San Bernadino National Forest tweeted that the fire began off Highway 74 between Hemet and Mountain Center, California. The highway was closed in the area due to the growing fire.The cause of the fire was believed to be arson, according to ABC 7, and the police reportedly detained an arson suspect.This video was shared on July 25, shortly after the Cranston Fire began. Credit: Jeremy Bosma via Storyful