U.S. Capitol briefly locked down, 2nd time in week

The U.S. Capitol and its office buildings were briefly locked down Tuesday, the second time in a week amid nervousness over recent shootings.District of Columbia police spokeswoman Alice Kim said officers were alerted to a man with a gun near Fort McNair in Southwest Washington, about a mile and a half south of the Capitol, shortly after 4 p.m. Officers then stopped a person at the intersection of 1st and D Streets, Northwest, which is two blocks from the Capitol and outside the Labor Department