December 1, 2021 11:37 am Six Vehicle Crash Injures 2, Shuts Down I-270 Lanes in Rockville: Officials Local 26:02 How school security has changed since Columbine: The News4 Rundown 2:40 Five teens shot at senior skip day gathering 2:54 Student charged with threats of mass violence denied bond 1:48 3 adults, 1 teen shot outside store in Northeast DC 0:34 Multiple people shot at park and recreation center in Greenbelt: police