A water treatment facility at the North Rim had been compromised by the fire, causing chlorine gas to fall towards the bottom of the canyon.

A wildfire burning in Grand Canyon National Park triggered a chlorine gas leak Saturday afternoon after flames reached a ...

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

Dozens of buildings inside the North Rim of the Grand Canyon have been destroyed, including a historic lodge, as a chlorine ...

A wildfire burning throughout Grand Canyon National Park damaged a water treatment facility on Saturday, causing a chlorine ...

The fast-moving fire destroyed a historic lodge and dozens of other structures in the Grand Canyon National Park.

The Grand Canyon Lodge was one of dozens of structures destroyed in a fast-moving wildfire in Arizona over the weekend, the ...

The Dragon Bravo Fire has destroyed dozens of structures and a water treatment facility on the Grand Canyon's North Rim.

Nearly 400 firefighters are working around the clock on the Dragon Bravo Fire burning on the North Rim of Grand Canyon ...

The Dragon Bravo Fire in Arizona has destroyed dozens of structures and a water treatment facility on the Grand Canyon's North Rim.

The Dragon Bravo Fire started burning on July 4, but grew out of control a week later because of strong winds and destroyed ...

The visitor center and a wastewater treatment plant were among the 50 to 80 structures lost, the park superintendent said.