The heightened security measures include metal anti-scale riot fencing around the Capitol ... of Horne led to the closure of the Capitol Visitor Center’s north side checkpoint for about an ...

A man carrying a loaded handgun managed to pass through U.S. Capitol security, tour the Visitor Center, and walk through the halls of one of the nation's most secure buildings before being ...

(Chip Somodevilla/Getty Images) The man arrested after trying to enter the Capitol Visitor Center in Washington, D.C., while smelling like fuel this afternoon was trying to deliver papers to ...