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

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.

Fire activity on the North Rim of the Grand Canyon has forced the closure of several trails and campgrounds. Meanwhile, life goes on at the South Rim where tourists endured a smokey visit Monday.

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.

Tourists talk about their visit to the Grand Canyon as the Dragon Bravo Fire is seen from the Mather Point Overlook.

U.S. Senators Ruben Gallego and Mark Kelly joined Gov. Katie Hobbs in calling on U.S. Interior Secretary Doug Burgum to launch a full investigation into the fire management decisions that led to the loss of the irreplaceable Grand Canyon Lodge on July 12.

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.

Arizona's governor and its two senators have a question for federal officials after a devastating Grand Canyon wildfire: Why did you let it burn? The Dragon Bravo fire ended up destroying a historic lodge in the North Rim and several other decades-old structures when it burned out of control.