Naval Support Activity Bethesda: “Base security has cleared the basement of Bldg. 19, they are in the process of clearing the rest of the building. No indication so far of an active shooter.”

UPDATE: Naval Support Activity Bethesda: "Initial reports indicate there are no signs of an active shooter" at Walter Reed medical center, but "please be aware that all gates are closed until further notice."

— NBC News (@NBCNews) November 27, 2018

Source: Twitter