Guard troops pour into Washington as states answer the call

A chain blocks the sidewalk entrance to the front steps of the Maine State House, Wednesday in Augusta, Maine. (AP Photo/Robert F. Bukaty)

Members of the Washington National Guard stand at a sundial near the Legislative Building, Jan. 10, at the Capitol in Olympia, Wash. (AP Photo/Ted S. Warren)

The U.S. Capitol is seen through security fencing on Saturday in Washington as security is increased ahead of the inauguration of President-elect Joe Biden and Vice President-elect Kamala Harris. (AP Photo/John Minchillo)

WASHINGTON — By the busload and planeload, National Guard troops were pouring into the nation’s capital on Saturday, as governors answered the urgent pleas of U.S. defense officials for more troops to help safeguard Washington even as they keep anxious eyes on possible violent protests in their own states.