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.

Visitors and staff at two national parks in the U.S. West have been evacuated because of wildfires. The Grand Canyon 's North Rim in Arizona closed Thursday because of a wildfire on adjacent Bureau of Land Management land near Jacob Lake that began Wednesday evening after a thunderstorm moved through the area.