Updated on July 21, 2023 at 5:16 p.m.
The Chimney Fire has now expanded to 1,600 acres with 40% contained.
Coronado National Forest says the cause of the fire was lightning.
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Updated at 9:05 p.m.
The Chimney Fire has now expanded to 1,200 acres with no containment.
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Fire crews are fighting a blaze in a remote location east of Redington in the Catalina Mountains.
The Chimney Fire started Wednesday evening and is currently at 650 acres with 0% containment, according to the U.S. Forest Service.
Since there is no road access to the fire's location, crews are being flow in via helicopter. A helicopter dip site is being installed at the Mt. Lemmon Fire Station to aid the efforts, the Forest Service said.
Airtankers have been dropping retardant to help build the perimeter. There are no evacuations or structural values at risk.
Additional resources will be joining the effort throughout the day.
