A 17-year-old girl was fatally struck by a train late Wednesday night in southwest suburban Mokena.
An Indiana teen died Sunday after he was struck by a vehicle in Hammond.
An unarmed Glen Park teen was chased down an Aetna street, where he was shot and killed early Thursday.
The 16-year-old was shot about 2:08 p.m. in the 5800 block of South Fairfield Avenue, according to police. He was shot in the chest and was dead at the scene.
Des Plaines police continue to search for the person responsible for a hit and run that killed a teenage boy.