The lightning-caused wildfire that consumed roughly 70 structures seemed unremarkable for days. High winds changed that.

Two wildfires continue to burn near the Grand Canyon; the White Sage Fire has burned nearly 53,000 acres and is 4% contained. The Dragon Bravo Fire has burned about 8,500 acres.

Arizona's senators and governor have raised questions about the initial firefighting tactics used against the wildfire that started July 4 with a lightning

Firefighters are battling a lightning-caused wildfire on the North Rim of the Grand Canyon. The Dragon Bravo Fire has burned down the Grand Canyon Lodge and triggered a chlorine gas leak.

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.