By IRNA,
New York : A federal official says two medical helicopters collided Sunday afternoon about a half-mile from a northern Arizona hospital, killing six people and critically injuring another.
Three of the fatalities were aboard a Bell 407 helicopter operated by Air Methods out of Englewood, Colo. At least one of the dead was the patient.
Four other victims were aboard a Bell 407 helicopter operated by Classic Helicopters of Woods Cross, Utah.
Three were killed and one was critically injured.
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