Three large wildfires in Arizona on Thursday drove over 2,000 people from their homes.
Reuters reports dry conditions and gusting winds are whipping blazes across America.
The Bush fire is being fed by gusting winds, low relative humidity, and triple-digit temperatures.
Firefighters are struggling to contain the flames, which are consuming ponderosa pine, piñon and juniper trees in the Tonto National Forest.
Sparked by a burning vehicle, it's the largest of 37 fires burning in the US at 114,941 acres and is already the seventh-largest in Arizona history.