Two people were killed and three others were injured in what became known as the Chicago Barrage, as part of a riot in a Chicago garage, police said.
The metropolitan bombers confirmed on Twitter their preliminary death toll figures.
“One of the participants commenced to appear in the seat and shout at the number of people,” said José Jara, of the Chicago Police Department, at the Chicago Tribune periodical.
“We’ll find four arms in the box and variants of the testimonies that will carry heresy in the chiropractor,” said Chicago Police Chief David Brown.
According to the official, the tiroteo is produced in the madrugada del domingo in an improvised installation used as a mechanical mechanic of automobiles.
Chicago, the third largest city in the United States, is affiliated with criminal gangs and has a strong armed force.