Jamie Coffin recalls being one of several people flown out of the Grand Canyon because of a chlorine gas leak.

Two fast-moving wildfires—the Dragon Bravo and White Sage fires—have scorched more than 45,000 acres, destroyed the iconic North Rim lodge and dozens of structures, and led to long-term closures in the Grand Canyon.

The historic Grand Canyon Lodge on the North Rim was destroyed by a wildfire on July 13, park officials said. Here's what we know.

Wildfires have forced evacuations at two U.S. national parks in the West as summer monsoon storms increase lightning in the region.

The fire that burned for days on the North Rim of Grand Canyon before it became uncontrollable was "expertly handled," the National Park Service said.

The North Rim was evacuated Thursday because of wildfire and will remain closed for the rest of the season, the park said in a statement.

Wildfires have forced evacuations for visitors and staff at two national parks — Gunnison and the Grand Canyon — in the U.S. as the summer monsoon season brings increased lightning to the arid region.

The north rim of Grand Canyon National Park has now been closed and evacuations have been ordered as a wildfire is spreading. Soaring temperatures are making it hard to combat the flames. NBC News’ Steve Patterson reports.