Deadly batch of heroin being blamed for rash of overdose deaths

      |The Pittsburgh area may be facing a public health crisis following a large increase in heroin overdoses in the last week. Allegheny County Medical Examiner Karl Williams believes the deaths can be linked to a batch of heroin being trafficked in Theraflu packages that is tainted with the powerful narcotic fentanyl. KDKA-TV's Bob Allen reports.

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