Schools under fire

As if the 32 students shot dead in Blacksburg weren't enough, here's some more panic articles from the States.
Caller threatens shooting at North Brunswick Highschool
Bomb threat at Provo Highschool
Bomb threat at University of Minnesota
Lockdown at Wheat Ridge High School because of other threats
Those Americans....
And here's the video of the gunman Cho Seung-Hui