The wreck occurred around 11:45 a.m. near the Central Avenue exit on the eastbound side of the freeway. Traffic was reduced to one lane, causing an extended backup.
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Four people were treated and one was transported to an area hospital with minor injuries, according to a tweet from the Chino Valley Fire Department.
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The cause of the crash was not immediately known.
DEVELOPING...We will add more details to this report as they become available.