CBS News Chicago witnessed the man being tackled by law enforcement and removed from the courthouse lobby on a stretcher.

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

The Dirksen U.S. Courthouse was evacuated and remained on lockdown Tuesday as FBI and other law enforcement personnel continued to talk to a man who walked into the courthouse armed with a knife and ...

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