Thirteen people, including a three-year-old boy, were injured late Thursday when someone opened fire on people in a park located in Chicago's Back of the Yards neighbourhood.
Chicago Fire Department officials said the child was in critical condition. Two other victims were also in critical condition, officials said.
Officer Amina Greer said the shooting occurred shortly after 10pm Thursday. According to Greer, at least 10 ambulances responded to the scene, transporting victims to several area hospitals.