The US Capitol Police has dispatched officers to canvass Senate office buildings in response to what the department described as “a concerning 911 call”.
Article has been updated, this appears to have been a false alarm:
Nicholas Wu of Politico wrote that DC Metro Metropolitan Police spokesperson Hugh Carew said that the evacuation of the building took place after a call reporting an active shooter but that it “appears to be a bad call” and that “no injuries and no shooter were located”.
Article has been updated, this appears to have been a false alarm: