Rapid growth on the South Rim fire in Black Canyon of the Gunnison National Park forced immediate evacuations in Montrose County on Saturday afternoon.

A wildfire that's burning in the southern part of Black Canyon of the Gunnison National Park in western Colorado has grown to more than 1,600 acres. It has damaged some park equipment and several outbuildings.

Multiple state and federal agencies are fighting a large fire in the Black Canyon of the Gunnison National Park, where two separate blazes started Thursday morning. The entire park remains evacuated and closed to the public.