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.

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.

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

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.

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.

Arizona’s Democratic senators, Mark Kelly and Ruben Gallego, are demanding answers from the Trump administration about its response to the Dragon Bravo Fire that destroyed structures at the northern r