Officials said the Dragon Bravo Fire, burning in the North Rim of Grand Canyon National Park, "exhibited extreme and volatile fire behavior the evening of July 12.

The White Sage Fire near Fredonia, Arizona, has more than doubled its size since Saturday, burning 40,186 acres. As 500 personnel work the blaze, it remains 0% contained as of

A wildfire burning in Grand Canyon National Park triggered a chlorine gas leak Friday afternoon after flames reached a water treatment facility.

The White Sage Fire was burning in Arizona bout 15 miles southeast of Fredonia in Coconino County and north of the Grand Canyon State Park.

Parts of the Jacob Lake area are under GO evacuation orders, and the North Rim of the Grand Canyon is also evacuating. The fire has grown to 19,573 acres.

A fire department in Phoenix, Arizona is launching a drone force to help them respond to fires and any other emergencies. NBC News' Gadi Schwartz has more on the new drones and how they have been beneficial to the department.

A 15-year-old boy has been arrested in connection with a fire that destroyed playground equipment at a park in Surprise earlier this month.

The daughter of a Goodyear fire captain who was rescued from a burning vehicle two months ago is now out of the hospital, beginning the road to recovery.