A wildfire burning in Grand Canyon National Park triggered a chlorine gas leak Friday afternoon after flames reached a water ...

Wildfires have forced evacuations at two national parks in the U.S. West. Black Canyon of the Gunnison National Park in Colorado closed Thursday after lightning sparked fires on both rims.

The White Sage Fire near the North Rim has grown to more than 19,000 acres, authorities said, while the nearby Dragon Bravo Fire has burned at least 5,000 acres.

Crews are currently battling the lightning-caused fire, which has burned over 19,000 acres of land near Fredonia.

The White Sage and Dragon Bravo fires have burned a combined 24,000 acres, only miles apart from one another near the Grand ...

The wildfire closed the North Rim's visitor center and forced the evacuations of anyone living nearby, as firefighters ...

Fast-spreading wildfires have forced the evacuation of part of the Grand Canyon, with the US National Park Service ordering ...

Multiple fast-spreading wildfires have forced evacuations in parts of the Grand Canyon in the US state of Arizona, with the US National Park Service ordering visitors and residents away from its ...

Authorities increased the size of the evacuation zone for the White Sage Fire north of the Grand Canyon on Friday morning.

Evacuations have been ordered for the area north of Jacob Lake, in northern Arizona, due to the White Sage Fire.

Strong winds and hot, dry weather continue to fuel two separate wildfires near the northwestern side of the Grand Canyon ...

Access via the North Rim, a lesser-used gateway to the national park, was closed as the White Sage fire continued to burn on ...