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.

Arizona officials are pressing for an investigation into the National Park Service's handling of the Dragon Bravo Fire, which spread after being managed as a controlled burn.

Gov. Katie Hobbs and Senators Mark Kelly and Ruben Gallego are calling for an independent investigation into how federal officials managed the Dragon Bravo Fire burning on the North Rim of Grand Canyon National Park.

The Grand Canyon's North Bravo Fire intensified on July 11, the day before Katy Rock Shop owner Jacob Proctor and his family arrived at the national park.

Lawmakers in Arizona are demanding an investigation into why the National Park Service made a decision to allow the lightning-caused Dragon Bravo Fire to continue as a controlled burn. FOX 10's Lindsey Ragas reports.