The Dragon Bravo Fire destroyed the historic Grand Canyon Lodge and continues to burn in northern Arizona. See photos of the devastation.

The Dragon Bravo Fire has burned more than 8,500 acres southeast of the Grand Canyon. The fire was sparked by lightning on July 4 and has destroyed dozens of structures on the North Rim, including the historic Grand Canyon Lodge.

A wildfire in tinder-dry forest on the North Rim of the Grand Canyon grew around 50% on Tuesday after it destroyed dozens of buildings, prompting public outrage that it was left to burn for a week before firefighters tried to fully extinguish it.

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.

Republican Rep. Paul Gosar has joined some Democrats in demanding answers about the handling of the Dragon Bravo Fire.

Crews fighting a wildfire were focused on stopping the flames from consuming nearby cabins, a water pumping station, mule stables and other structures, fire officials said.

A wildfire destroyed a historic lodge at the Grand Canyon's North Rim and some political leaders want to know if the fire was mismanaged. One fire expert said officials should approach policy changes carefully because controlled burns are still critical to forest health.