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

Firefighters are trying to contain the Dragon Bravo Fire on the Grand Canyon’s North Rim and keep it from destroying more buildings.

Dozens of buildings inside the North Rim of the Grand Canyon have been destroyed, including a historic lodge, as a chlorine gas leak has forced firefighter evacuations from the Dragon Bravo Fire.

The fire on the North Rim of the Grand Canyon started from a lightning strike but was managed as a controlled burn until it spread.

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.

The Dragon Bravo Fire started on July 4 and was managed at first as a controlled burn. Then the wind picked up, and it quickly became uncontrollable.

Arizona Gov. Katie Hobbs is calling for an investigation into the federal government’s handling of wildfires that destroyed multiple sites and a historic lodge