Los Angeles wildfire burns almost 4,000 acres, homes and cars (10 images)

A California Highway Patrol officer examines one of 30 cars destroyed as a brush fire spread to vehicles trapped along interstate 15 in the Cajon Pass in San Bernardino County on July 17, 2015. The fast-moving wildfire jumped the busy I-15 freeway, the main roadway connecting Los Angeles and Las Vegas, setting several cars, homes and a big-rig on fire while torching nearly 4,000 acres of land. Photo by Jim Ruymen/UPI

A big-rig destroyed when a brush fire spread to vehicles trapped along interstate 15 in the Cajon Pass in San Bernardino County sits on a lot for processing on July 17, 2015. The fast-moving wildfire jumped the busy I-15 freeway, the main roadway connecting Los Angeles and Las Vegas, setting 30 cars, 4 homes and a big-rig on fire while torching nearly 4,000 acres of land. Photo by Jim Ruymen/UPI

A tow truck operator secures the cab of a big-rig destroyed as a brush fire spread to vehicles trapped along interstate 15 in the Cajon Pass in San Bernardino County on July 17, 2015. The fast-moving wildfire jumped the busy I-15 freeway, the main roadway connecting Los Angeles and Las Vegas, setting 30 cars, 4 homes and a big-rig on fire while torching nearly 4,000 acres of land. Photo by Jim Ruymen/UPI

A tow truck operator walks away from one of 30 cars destroyed when a brush fire spread to vehicles trapped along interstate 15 in the Cajon Pass in San Bernardino County on July 17, 2015. The fast-moving wildfire jumped the busy I-15 freeway, the main roadway connecting Los Angeles and Las Vegas, setting 30 cars, 4 homes and a big-rig on fire while torching nearly 4,000 acres of land. Photo by Jim Ruymen/UPI