The National Park Service is defending its handling of a lightning-sparked wildfire that destroyed the nearly century-old Grand Canyon Lodge and dozens of historic cabins, saying containment lines had been built around the blaze and crews were prepared to conduct defensive firing operations.

A rapidly spreading wildfire at Grand Canyon National Park in Arizona has forced the closure of part of the popular destination known for its landscape.

Wildfires burning at or near the Grand Canyon's North Rim are still raging as strong winds, high heat and low humidity persist.

The National Park Service is defending its decisions regarding letting the Dragon Bravo Fire burn before it got out of control.

A wildfire burning in Grand Canyon National Park triggered a chlorine gas leak Friday afternoon after flames reached a water treatment facility.