Story highlights Fire started in Southern California spread to 15,000 acres in less than 10 hours82,000 residents evacuated and 34,500 homes affected in evacuation orders(CNN) Less than 10 hours after igniting, a Southern California wildfire, burning uncontrollably, has engulfed 15,000 acres. The size of the fire is roughly 23 square miles, which is about half the size of San Francisco. Some 82,000 residents in San Bernardino County are under a mandatory evacuation order because of the fast-growing wildfire, a Cal Fire spokesman said. #BlueCutFire in the Cajon Pass (San Bernardino County) is now 15,000 acres. The blaze started about 10:30 a.m. Tuesday in Cajon Pass, a mountain pass between the San Bernardino Mountains and the San Gabriel Mountains.

Source: CNN August 17, 2016 02:10 UTC