On Thursday, a University of Illinois graduate student entered a lecture hall on the campus of Northern Illinois University, his alma mater, and killed five students and injured 18 before killing himself. The campus shooting comes less than a year after the tragedy at Virginia Tech, the site of the worst shooting in U.S. history. The tragedies have sparked renewed debate as to whether students with concealed-carry permits should be allowed to have their firearms on campuses, which is currently prohibited in Ohio.
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