Cops probe threat of explosion at school
Pennsylvania State Police are investigating a threat of an explosion at a school.
Police said someone called the Montgomery County 911 center at about 7:15 a.m. today to say there would an explosion at an unidentified school.
Authorities believe the call came from a student at a Perkiomen Valley School District middle school.
Further details weren't immediately available, and police are continuing to investigate the threat.