Authorities were reporting multiple victims in an “active shooter” attack in the area of Mercy Hospital on the Near South Side that brought out a large police presence Monday afternoon.
Emergency crews were called to near the hospital, 2525 S. Michigan Ave., about 3:20 p.m.
There were “Reports of multiple victims” in the attack, police spokesman Anthony Guglielmi said in a tweet.
Fire officials called an emergency medical services Plan II, sending at least 10 ambulances to the scene, because of an “active shooter” situation, a Fire Department spokesman said.
Authorities were warning people to stay out of the area. Fire crews were at the scene.