UPDATE (11:02 a.m.): The Altar Valley School District canceled classes for Monday due to the crash.
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The Arizona Department of Public Safety confirmed a car crash involving three cars on Ajo Highway. Troopers told KGUN 9 victims in this crash received serious injuries.
As of 6:45 a.m. Monday, both lanes of traffic were closed both east and westbound at Sandario road.
KGUN 9 will continue to provide updates as we learn more.
