The fire has forced the closure of parts of state Route 89. Fire crews had no containment late Sunday.
The Red Cross has opened two shelters in the area — at Yavapai College in Prescott and at the Wickenburg High School gym.
Billeaud reported from Phoenix. Associated Press writer Brian Skoloff in Yarnell, Ariz., and Associated Press reporter Martin Di Caro in Washington, D.C., also contributed to this story.
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