May 5, 2011 3:02 pm Authorities at Powell Elementary Police and Fire & EMS at Powell Elementary School, one of at least 12 schools that received suspicious letters Thursday. Local 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 2:21 Retiring Prince George's economic development leader reflects on career