WASHINGTON (DC News Now) — The United States Capitol Police (USCP) said an armed man who took a U.S. Capitol tour and visited the Library of Congress was arrested on Tuesday.

After you've admired the Capitol, walk along East Capitol Street to the Library of Congress. Comprising three buildings and housing more than 164 million books, manuscripts, sound recordings ...

The Library of Congress now separates books into 21 categories, using the alphabet to distinguish each category.

Explore daily insights on the USA TODAY crossword puzzle by Sally Hoelscher. Uncover expert takes and answers in our ...

United States Capitol ... entered the Capitol Visitor Center to take a tour, police said. About an hour later, he was seen leaving the Library of Congress and walking to his car.