CHICAGO (WLS) -- DePaul University sent out an alert on Saturday after a student's sexually assaulted near the school's campus in the Loop.
The assault happened Thursday night near Congress and Wabash.
The student told authorities that someone approached him from behind and put a cloth with some sort of substance on it, knocking him out.
Then he was dragged into an SUV and sexually assaulted and robbed before he managed to run away.
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