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.

Arizona senators are demanding answers from the Department of the Interior about allowing an ongoing wildfire at Grand Canyon National Park to burn for several days before trying to stop it.

As of Monday, the Dragon Bravo fire on the North Rim had consumed more than 5,700 acres and was not contained, according to the U.S. Forest Service.

Gov. Katie Hobbs wants an independent federal investigation on the handling of the Dragon Bravo wildfire, which has burned more than 5,700 acres as of Monday.

Eight candidates will go before southern Arizona voters at the ballot box Tuesday in special congressional primaries to replace longtime Democratic U.S. Rep. Raúl Grijalva.