The Dragon Bravo Fire at the North Rim of the Grand Canyon National Park intensified over the weekend, destroying 50-80 structures.

Two wildfires are burning at or near the North Rim, known as the White Sage Fire and the Dragon Bravo fire. The latter is the one that impacted the lodge and other structures. The park initially managed it as a controlled burn but then shifted to suppression as it rapidly grew, fire officials said.

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.

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 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

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.

Officials evacuated Jacob Lake and the North Rim of the Grand Canyon was closed to visitors because of the fast-moving White Sage wildfire.

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.