The Dragon Bravo Fire has burned more than 8,500 acres southeast of the Grand Canyon. The fire was sparked by lightning on July 4 and has destroyed dozens of structures on the North Rim, including the historic Grand Canyon Lodge.

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 Grand Canyon water treatment facility located at the North Rim caught fire on Saturday, causing chlorine gas to be released into the air. Multiple closures are being enforced due to the incident.

Arizona's governor and its two senators have a question for federal officials after a devastating Grand Canyon wildfire: Why did you let it burn? The Dragon Bravo fire ended up destroying a historic lodge in the North Rim and several other decades-old structures when it burned out of control.