No citations were issued.
The boy was treated and is in good condition, police said.
Chicago police are asking for help finding Felix Lopez, 14, who was last seen on Thursday.
A man has been charged in federal court as the alleged getaway driver in a Des Plaines bank robbery earlier this week that led to a police chase to Chicago and shootout that wounded a Chicago police officer and a bystander.
A suspected bank robber shot a Chicago police officer in the head, badly wounding him, before another officer killed the suspect in a shootout in which a teenage bystander was wounded.
A 16-year-old girl who has been missing from Old Irving Park for more than two months has been located.