August 11, 2011 12:30 pm Explosion Shakes Sterling Apartment Building A witness and police official describe the scene after an explosion at a Loudoun County apartment complex. Local 3:36 DC police clearing out George Washington U. protest encampment 2:31 DC police increase reward, call for peace after 3-year-old fatally shot 1:59 Cottage City becomes first in Maryland to install stop sign cameras 0:52 Montgomery County police hold vigil for fallen officers 26:00 Mother fights against fentanyl abuse: The News4 Rundown