Dozens of buildings inside the North Rim of the Grand Canyon have been destroyed, including a historic lodge, as a chlorine gas leak has forced firefighter evacuations from the Dragon Bravo Fire.

A fire near the Grand Canyon National Park in Arizona has grown more than 20 times in size in 24 hours as an intensifying wildfire season sees the return of Canadian wildfire smoke into the U.S.

A 67-year-old Texan planning to spend a night at Phantom Ranch on the floor of Grand Canyon National Park collapsed and died while hiking down the South Kaibab Trail.