the university has canceled all classes and events today. prime minister, petra fiala was among those paying their respects today. thursday's attack was the check for public's worst ever mass shooting. police say the gunman, a 24 year old student killed himself when he was cornered on a rooftop. his motive is still unclear, but authority, se, there's no link to terrorism. a frantic run for cover as a shooter opens fire in the heart of prox historic center. as police hans the gun man, staff and students at the university are warranted to barricade themselves inside. others hide on a building ledge. out of desperation, panic, families tried to contact their loved ones. when news of the shooting spreads come, he gets methodist, diana for months and we found out it was happening in the philosophy department on them. so i tried to reach my daughter at going on. that's the electronic school, but she didn't answer the call that communicable a community college. so we communicated by text message out l a. b. and i asked her to stay on the floor. i think not to go near the windows gully to com