It is a manhunt in Highland Park, on the northern outskirts of Chicago: at least 5 dead and 16 wounded in the shooting that took place during the July 4th parade.
According to local media, police are patrolling the area in search of the killer, while warning residents to stay away from the shooting area.
"It's not safe here, go home," officers told people who were participating in the parade.
"At first I thought they were fireworks, I didn't realize they were gunshots."
A witness to the shooting in the northern suburbs of Chicago told CNN.
"Then I started seeing bloody people screaming and running away and then I understood. It was horrible," the woman said again.
"It was a chaotic scene. I tried to call my family and found that they had taken refuge inside a building close to the path," said another witness who was driving to the parade when the shooting began and said. saw people flee from one side to the other.