GLENDALE, Ariz — Editor's note: The above video is from an earlier newscast.
A fire that started on Thunderbird Mountain in Glendale was 85% contained at 90 acres as of Friday afternoon.
The fire was moving north and northeast with a moderate rate of spread as of Thursday.
Nearby residents were asked to stay inside and report spot fires.
The Thunderbird Fire is near 59th Ave and Pinnacle Peak within the Thunderbird Conservation Park, according to fire officials.
Helicopters took water from nearby neighborhood lakes and dropped it on the fire on Thursday.
The cause of the fire was not immediately known.