The FBI and other law enforcement personnel responded to a person in the Dirksen lobby who may have had a knife.

A federal judge in Washington, D.C., denied an appeal to overturn an earlier judge’s ruling allowing President Trump’s White ...

Chicago’s federal courthouse is being evacuated as law enforcement negotiates with a person who entered the lobby with a knife Tuesday morning, a spokesman for the US Marshals Service confirmed.

House leaders are beefing up security measures and funding for members of the chamber as political violence and threats have shaken lawmakers preparing to leave for their August recess. Speaker ...