Police Officer, Three Others Killed as Shooter Opens Fire Near a Chicago Hospital (UPDATES)

An active shooter has opened fire near Mercy hospital in Chicago — wounding multiple people, according to reports.

The Chicago Tribune reports that a police officer is among those believed to have been shot. The Tribune reports that 15 ambulances have been dispatched to the scene as it is being categorized as an active shooter situation, but fewer than six people are believed to be injured — according to the most recent information.

Anthony Gugliemi — the chief communications officer for the Chicago Police Department — confirmed reports of the officer being wounded and that an offender was shot:

A #ChicagoPolice officer has been shot in the active shooter incident at Mercy Hospital. He is in critical condition but receiving excellent care. Please send your prayers. pic.twitter.com/kFfMY1ZmF7

— Anthony Guglielmi (@AJGuglielmi) November 19, 2018

Officers are doing a methodical search of Mercy hospital. At least one possible offender is shot. Please avoid the area of 26th and Michigan

— Anthony Guglielmi (@AJGuglielmi) November 19, 2018

UPDATE 6:23 p.m. ET — ABC News is now reporting that three people including the officer were injured. The suspect is dead.

UPDATE 8:40 p.m. ET — Gugliemi reports that the officer, Samuel Jimenez, has died.

It's with profound sadness that we share the death of PO Samuel Jimenez from tonight's senseless active shooter incident. Please pray for his family, his fellow officers & the entire #ChicagoPolice Department. Supt Eddie Johnson & @ChicagosMayor will hv a press briefing shortly pic.twitter.com/2onFeyaSDK

— Anthony Guglielmi (@AJGuglielmi) November 20, 2018

The AP is reporting four people have died in the shooting.

BREAKING: Medical examiner says it has been notified of four deaths from the shooting at Chicago's Mercy Hospital.

— The Associated Press (@AP) November 20, 2018

Watch above, via CNN and WGN in Chicago.