<ul data-eligibleForWebStory="false"><li>A wildfire in Grand Canyon National Park caused a chlorine gas leak due to damage to a water treatment facility, posing a hazardous situation.</li><li>The Dragon Bravo Fire has burned over 5,000 acres and destroyed numerous structures on the north side of the Grand Canyon since July 4.</li><li>The National Park Service evacuated firefighters and hikers in response to the toxic gas leak, with parts of the canyon closed for safety assessment.</li><li>The chlorine gas threat is confined to the canyon vicinity, with nearby communities warned of potential odors; Arizona Governor calls for investigation.</li></ul>

Officials Warn of Toxic Gas Leak in Grand Canyon National Park

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