CHICAGO (CBS NEWS/AP) – The Cook County Medical Examiner’s office says it has been notified that four people have died in the shooting at Chicago’s Mercy Hospital & Medical Center.

The Chicago Police Department says Monday that one of its officers was shot in the attack and later died at a hospital.

“It’s with profound sadness that we share the death of PO Samuel Jimenez from tonight’s senseless active shooter incident,” Chicago Police spokesperson Anthony Guglielmi said.

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