sentence1: A message posted on the Virginia Tech web page said that classes will be canceled today and tomorrow. Faculty and students have been told to evacuate the campus. All 23 schools in Montgomery County, VA, are on lockdown. President George W. Bush was made aware of the shootings and according to the White House said, "thoughts and prayers for those who are dealing with this." Senate majority and minority leaders Harry Reid and Mitch McConnell led a prayer service and moment of silence for the faculty, students, and everyone at Virginia Tech during the Senate floor session. House speaker Nancy Pelosi led a prayer and moment of silence on the House floor.
sentence2: A student used a gun at school.