The lightning-sparked South Rim fire in Black Canyon of the Gunnison National Park has burned 3,556 acres with no containment and mandatory evacuations remain in place.

The South Rim Fire in western Colorado grew from 1,600 acres to over 3,000 acres Saturday after its growth and lack of containment forced the closure of Black Canyon of the Gunnison National Park.Dozens of firefighters and other first responders were responding to the fire,

Firefighters are trying to contain several more fires on the Western Slope, and air quality alerts are in effect for much of the state.