http://www.almotamar.net صحيفة إلكترونية يومية تصدر عن حزب المؤتمر الشعبي العام (اليمن) http://www.almotamar.net/2390.htm 2007-04-17 Campus chiefs were accused of having "blood on their hands" after America's largest mass shooting. As police begin to unravel how 32 people were killed in the massacre at Virginia Tech University on Monday, the authorities were facing tough questions over why they waited more than two hours to inform staff and students of the first murders.