Authorities investigating jump in Chicago heroin overdoses

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CHICAGO (AP) _ Chicago authorities are investing what’s behind a spike in heroin overdoses on the city’s West Side.

Fire Department Commander Frank Velez said late Thursday that at least 18 people overdosed within twenty hours beginning Wednesday evening. Local hospitals and paramedics noticed the increase.

The Chicago Tribune reports that a Chicago Department of Public Health memo said it may have been heroin laced with fentanyl purchased at two locations. Police recovered a sample that may have been laced with fentanyl.

The painkiller was in the spotlight in the in the mid-2000s when dozens of people died from fentanyl-related overdoses.