Shots were fired on the Dan Ryan Expressway in a possible case of road rage.
The shooting took place at 10:30 Sunday night. Police say someone in a car heading south on the Dan Ryan near 79th Street shot at an SUV.
That SUV rear-ended a third car as it tried to get away. No one was hurt in the shooting or crash.
The drivers of the three vehicles are all being questioned.
No charges have been filed.