The fire destroyed about 70 structures at the North Rim, including a water treatment facility causing a chlorine gas leak.

A wildfire has destroyed a historic lodge and dozens of other structures on the North Rim of the Grand Canyon in Arizona, raising questions over the National Park Service's decision not to aggressively fight the fire straight away.

Arizona’s governor is calling for a “comprehensive and independent” investigation after a wildfire in Grand Canyon National Park torched thousands of acres and destroyed dozens of structures, including the iconic Grand Canyon Lodge.