The University tweeted at around 11:59 (19:59 GMT) that police were responding to reports of shots fired on campus warning students to “RUN-HIDE-FIGHT”.At about 11:45 am local time (19:45 GMT) on Wednesday a gunman opened fire on the fourth floor of the building that houses UNLV’s Lee Business School, where students were preparing for next week’s final exams.What happened at the Las Vegas campus of the University of Nevada? Here is what to know about the shooting, victims and the suspect. A lone shooter opened fire on the main campus of the University of Nevada, Las Vegas (UNLV), on Wednesday, killing three people and wounding a fourth before the suspect was shot dead by police, authorities said at a news briefing.