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

Engine 3411 is responding to a fire on the north rim of the Black Canyon of the Gunnison. The Colorado State Patrol has been called to assist in the evacuation of the campgrounds at the Black Canyon of the Gunnison National Forest area. Two active fires are burning, one near the… pic.twitter.com/Xdpg4jBFld

Visitors and staff at two national parks in the U.S. West have been evacuted because of wildfires. Officials at Black Canyon of the Gunnison National Park in Colorado say the park closed Thursday morning after lightning sparked blazes on both rims.