March 6, 2018 11:38 am Social Media Threat Locks Down Md. High School Prince George’s County police are investigating a threat that was made against a high school Tuesday morning. News4′ Tracee Wilkins has more. Local 3:33 ‘The Spirit of Kwanzaa' celebrates Black diaspora through dance 0:30 Arlington County Public Schools pass cell phone ban 21:59 Lawmakers question feds about drone sightings: The News4 Rundown 0:40 Characters spread cheer at INOVA Children's Hospital 1:38 GWU basketball star using NIL money to help others