Two people were hurt in a four-vehicle crash involving an ambulance late Thursday on Interstate 57 in south suburban Calumet Park. The crash happened around 11 p.m. and involved an ambulance, a pickup truck and two passenger cars, Illinois State Police said. Two people were taken to area hospitals w ith injuries, and their conditions weren’t immediately known, state police said. ABC 7 reported one of the injured was a child who was in the ambulance at the time of the crash. Inbound lanes of I-57 were closed for an investigation and reopened just before 3 a.m. Friday, according to state police. No further information was available. ...read more read less