Evacuations ordered in Highland brush fire

A plane drops fire retardant near homes to keep the fast-moving Mart fire from approaching from the hillsides near Highway 330 in Highland, Calif.

A plane drops fire retardant near hillside homes in Highland, Calif., while battling the fast-moving Mart fire.

Thick smoke fills the air as the Mart fire burns above Emerson Lane near Highway 330.

A helicopter drops water in an effort to fight the fast-moving Mart fire on the hillsides near Highway 330 in Highland, Calif.

A DC-10 drops fire retardant on the hillsides as U.S. Forest Service fire crews get ready to douse hot spots to battle the Mart fire near Highway 330 in Highland, Calif.

A helicopter flies through smoke while dousing flames from the Mart fire in Highland, Calif.