Arizona Gov. Katie Hobbs and Arizona's U.S. Sens. Mark Kelly and Ruben Gallego have called for an investigation into the wildfire. The National Park Service claims the fire was "expertly handled."Start the day smarter.

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.

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.

Fire activity on the Dragon Bravo Fire, located at Grand Canyon National Park’s North Rim, remains “extremely active,” according to an incident update Monday.

The Dragon Bravo Fire started on July 4 and was managed at first as a controlled burn. Then the wind picked up, and it quickly became uncontrollable.