A new wave of concern has spread across the United States over multi-colored "rainbow fentanyl" pills, powders and blocks -- that look similar to candy or sidewalk chalk -- being sold and used in ...

West Virginia law enforcement officials are sounding the alarm after the discovery of "Rainbow Fentanyl" – multi-colored versions of the deadly drug that resembled candy – in a city that is home to ...

This multi-colored fentanyl may appeal to young people or fool them into thinking it's safe, but experts say illicit fentanyl has been hiding in what appears to be other products for a long time, and ...

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