There are reports of a shooting at Mercy Hospital in Chicago. No news on any casualties or fatalities [See: UPDATE]. We’ll keep you updated.

BREAKING: Major law enforcement response after shots fired near Mercy Hospital in Chicago, police say - @nbcchicago — NBC News (@NBCNews) November 19, 2018

BREAKING: Multiple victims in shooting at Mercy Hospital in Chicago; situation ongoing — BNO News (@BNONews) November 19, 2018

Shooting at a hospital in Chicago. Reports of one shooter and multiple victims. https://t.co/Ap19u7tgyq — Shannon Perrine (@sperrineWTAE) November 19, 2018

Police response to the unconfirmed shooting at Mercy Hospital in Chicago. https://t.co/AnLzrJ5zOy — Beatrice-Elizabeth Peterson (@MissBeaE) November 19, 2018

UPDATE: Chicago PD says there are reports of multiple victims.

Reports of multiple victims from incident at 26th and Michigan. Please avoid area. pic.twitter.com/VtDIr5b2Ok — Anthony Guglielmi (@AJGuglielmi) November 19, 2018

UPDATE II: Police officer in critical condition after being shot in active shooter incident. Chicago PD says "at least one possible offender" has been shot as well.

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