According to ABC Chicago, one suspect has been shot.
Hundreds of police cars, fire trucks and ambulance lined the streets encircling the hospital.
Several people have been shot in a hospital in Chicago, police in the city have said.
Reports are of an active shooter, along with multiple victims, at Mercy Hospital on 2525 S. Michigan Ave.in Chicago.
Moments later, Guglielmi reported one police officer was shot and is now in critical condition. He said the shooter and the woman had been speaking before the shooting, but he didn't know if they knew each other.
Gray described the shooting as surreal, "like a movie scene".
"I turned around to my right and I see a man shooting someone on the ground, shot him multiple times". The clinic's employees and patients locked the doors and hid in the back of the clinic. "There are also reports an officer who has been shot".
"This was very too close to me".
The hospital was later "partially evacuated" and people were put on Chicago Transit Authority buses while officers searched Mercy.
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