Firefighters Grapple With Triple-Digit Heat Against Wildfire

Firefighters Grapple With Triple-Digit Heat Against Wildfire
The Bighorn Fire backdrops a community along the western side of the Santa Catalina Mountains, in Tucson Ariz., on June 12, 2020. Matt York/AP Photo
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TUCSON, Ariz.—Hundreds of Arizona residents under an evacuation notice were allowed to return home Friday but were told to remain ready to leave at a moment’s notice as a wildfire burns in a national forest near Tucson.

Firefighters are trying to keep the blaze in canyons and ridges and prevent it from moving downhill.