 That's WTOP's national security correspondent, J.J. Green. In our traffic reports, you've been hearing about an incident on the Beltway in North Springfield that closed lanes and blocked traffic during the evening commute. Fairfax County police say they arrested a man on the interstate near Braddock Road after a police chase that ended just before 5. Police say that this man had an outstanding felony warrant related to an armed robbery and that he took off after officers tried to stop his car. Police say they recovered a gun and what appears to be drugs.