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

Want to know more about the United States Capitol Police? You’ve probably heard about them a lot on the news lately. The ...

A man from Massachusetts was found carrying a firearm after visiting the US Capitol and departing the Library of Congress on Tuesday, according to police officials who spoke to ABC News on Thursday.

The U.S. Secret Service and Washington, D.C. Metropolitan Police found the man in a Washington hotel early Tuesday morning ...

United States Capitol Police arrested a man who was found on Tuesday with a concealed firearm, but who had been mistakenly ...

A Massachusetts man was found to be carrying a gun after attending a tour of the U.S. Capitol as he left the nearby Library of Congress on Tuesday, police officials told ABC News on Thursday.