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

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

Arizona Governor Katie Hobbs has called for an independent investigation into the federal response management of a wildfire ...

The Grand Canyon Lodge opened in 1937 and was the only hotel located inside Grand Canyon National Park on the North Rim.

Police have closed Indian School Road at Maryvale Parkway as the investigation begins. There is no estimated time for the road to reopen.

Here's what's open and closed at Grand Canyon North Rim, South Rim and Phantom Ranch in the wake of wildfires that destroyed ...

A wildfire that tore through a historic Grand Canyon lodge and raged out of control Monday had been allowed to burn for days ...

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

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

The Dragon Bravo Fire burning on the north rim of the Grand Canyon has triggered a chlorine gas release. This comes as flames reached the water treatment facility.

A Grand Canyon water treatment facility located at the North Rim caught fire on Saturday, causing chlorine gas to be released ...