Roanoke County Police have charged a student at Northside High School with one felony count of Threats to commit serious bodily harm to persons on school property (Sec. §18.2-60 of the Code of Virginia). The student is a juvenile. A threatening message was discovered on a social media account Tuesday morning. Police were notified and began an investigation into the threat. Students were asked to shelter-in-place while officers and police K9s searched the inside of the school as well as the school grounds. No legitimate threat was discovered.