Wildfires continue to burn in Rio Blanco County, one of which is the fifth largest in Colorado history. Greg Nieto spoke to a wildfire expert on how the crews make layers of protection around the fires.

A Colorado prison was evacuated as one of the largest wildfires in state history continued to grow, and officials warned residents of remote areas to be ready to leave Sunday as gusty winds and low humidity fed the flames.

One of the largest wildfires ever recorded in Colorado persisted Sunday and a new wildfire sparked in the southwestern corner of the state as gusty winds and low humidity fueled the flames.