Update at 6 p.m. — Arlington County Police have issued the following statement about today’s incident.
Staff at Bishop O’Connell High School contacted an Arlington County Police School Resource Officer after they received a bomb threat that was telephoned to the school. After the school was evacuated, canine resources from the US Park Police, WMATA Metro Transit Police, and Pentagon Force Protection Agency assisted Arlington County Police canine in conducting a thorough and systematic search of the school.