Illinois State Police said around 3:30 a.m. the child had been safely located.
Around 2:42 p.m., Dolton police said a 15-year-old girl was taken by an unknown suspect who was wearing a mask and driving a black 2005 Ford 500 sedan.
Soon after, the Ford was spotted by an Illinois State Police trooper on northbound Interstate 94 at West 87th Street, state police said. During a chase, the Ford sideswiped another vehicle and pushed that vehicle into the side of a state police squad car.
The Ford then fled from the scene of the crash, ISP said.
Suspect's vehicle in Amber Alert
The officer in the squad car was transported to an area hospital with non-life-threatening injuries.