Bomb threat cancels classes at Aurora University in Illinois, buildings evacuated

(CBS) CHICAGO - Aurora University in Illinois cancelled classes and evacuated buildings on its main campus Wednesday after receiving a bomb threat.

According to CBS Chicago, four emailed threats were sent to the school around 7 a.m.

Aurora police reportedly announced the campus had been secured around 1:30 p.m. A statement on the school's website said police found nothing in their search of the campus, and a $25,000 reward was offered for information leading to the identity and apprehension of the perpetrator.

Aurora University President Rebecca Sherrick says the university was the target of another threat in the fall, CBS Chicago reports.

According to the university's website, approximately 4,400 degree-seeking students attend the Illinois and Wisconsin campuses, including 2,600 undergraduates.The school's main campus is in Aurora about 40 miles west of Chicago.