The incident happened at about 4:11 a.m. at the 7-Eleven at 1350 S. Halsted Street.
Police say three suspects broke a window to the store and tried to steal property.
When campus police arrived, they said the suspects got into two cars and intentionally hit a squad car and officer.
The suspects were last seen driving a black Jeep Grant Cherokee and a silver Nissan southbound on I-90/94.
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