A combination of high winds, dry air and above average temperatures caused a wildfire in the Grand Canyon to rapidly expand and cause major damage.

The building was surrounded by vegetation on fire when a team of "helitack" firefighters arrived to protect the area on Tuesday. Grand Canyon National Park officials said the crews knew if the pump house fell, the consequences could cripple park operations for months.

Arizona's governor has demanded an investigation into why a wildfire that destroyed a historic lodge and dozens of other structures on the North Rim of the Grand Canyon was allowed to burn for a week before federal firefighters tried to put it out.

Arizona's senators and governor have raised questions about the initial firefighting tactics used against the wildfire that started July 4 with a lightning

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 U.S. Sens. Mark Kelly and Ruben Gallego sent a letter to the Trump administration demanding answers about the Dragon Bravo Fire.

Lightning-ignited Grand Canyon wildfires burn tens of thousands of acres, as NOAA’s GOES satellites continue to monitor the fires.

The Grand Canyon Lodge on the North Rim was destroyed by the Dragon Bravo wildfire, which began with a lightning strike on July 4 and spread rapidly due to high winds. Arizona officials, including Democratic Sens.