Chicago police say 3-year-old boy, 2 others critically injured after 12 people shot in park

Twelve people are injured after being shot at a park on Chicago's southwest side, including a 3-year-old boy who is in critical condition.

Officer Amina Greer says the shooting occurred shortly after 10 p.m. Thursday.

A witness, Julian Harris, tells the Chicago Sun-Times ( dreadlocked men fired at him from a gray sedan before turning toward Cornell Square Park and firing at people in the area. He said his 3-year-old nephew was wounded in the cheek.

Chicago Fire Department officials said the child was in critical condition. Two other victims were also in critical condition. The others were reported in serious to fair condition.