Joliet police said shortly after 5 p.m. Saturday, officers responded to a four-car crash at Plainfield Road and Hennepin Drive.
Police said that Christopher Hernandez, 29, was driving westbound when he struck the rear of the car ahead of him. As a result, both drivers lost control and skidded into two other cars that were waiting in the left turn lane on the eastbound side of the road.
According to police, Hernandez immediately fled the scene of the crash, carrying his badly injured 10-year-old son. Police say he then carried his son to a nearby store and left him there, fleeing on foot.
Police said the child suffered a broken leg and was taken to Amita St. Joseph Medical Center by ambulance for treatment.
No one else was injured in the crash.
Police took Hernandez into custody in the 1200-block of Wyoming Avenue. He is charged with four counts of aggravated DUI, endangering the life and health of a child, failure to remain at the scene of an accident, and obstructing/resisting a peace officer.