After Virgina Tech tragedy, threats are keeping school's on edge.
CNN.com reported that a series of bomb threats and other security alerts alerted U.S. schools and universities Wednesday. Nerves still remain after the 32-person massacre at Virginia Tech.
With the Virginia Tech campus still on edge, students there got another scare Wednesday when police swarmed into a building housing the university president's office,CNN reported. The suspicious activity was a false alarm.
Star Tribune reported that the University of Minnesota had a bomb threat Wednesday and evacuated eight buildings.
The University of California Hastings College of the Law evacuated 300 to 400 students midway through classes Wednesday afternoon after someone noticed a posting on an Internet site referring to the school and Virginia Tech, CNN reported.
Colorado, California, and New Jersey also experienced a sort of hoax threat after the Virginia Tech incident this week.