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. USCP said it received information about a man in the area with mental health issues and suicidal thoughts who was allegedly armed.

We are severely disappointed in the security failure,” House Administration leaders said, vowing to scrutinize screening procedures.

A Massachusetts man was discovered to be carrying a gun after attending a tour of the United States Capitol and leaving the nearby Library of Congress on Tuesday, the U.S. Capitol Police confirmed ...

The U.S. Secret Service and Washington, D.C. Metropolitan Police found the man in a Washington hotel early Tuesday morning and interviewed him, sources said. They searched for a gun and found no weapon and no further action was taken at that time, they said.

A Massachusetts man who went on a tour inside the U.S. Capitol Building carrying a gun was arrested on Tuesday, police say.

An armed Massachusetts man was apprehended by Capitol Police near the Library of Congress after taking a tour of the Capitol the day following the inauguration, authorities revealed.

A Capitol Police officer has been suspended after a man with a gun was able to get past a security check at the Capitol Visitor

The 27-year-old Massachusetts man was arrested after Capitol police officers found him leaving the Library of Congress, police said.

President-elect Donald Trump's will be sworn in under the Capitol Rotunda, rather than outside. But he's not the only president inaugurated in an unusual location.

A combination of harsh weather and delay in individual states choosing electors pushed the inauguration to April 30, 1789. At 2 p.m., Washington recited the constitutionally mandated oath on the balcony of Federal Hall in New York City, the fledgling nation’s temporary capitol.

Newt Gingrich vowed to apply the country’s laws to Congress. Now early backers are looking back on the Congressional Accountability Act.

A new U.S. House subcommittee will investigate the events that took place before and after Jan. 6, 2021, which could involve requiring former