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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 ...
The Secret Service quickly called a lockdown of the park and White House and closed off Pennsylvania Avenue. Reporters ...
The White House was put under a brief lockdown following an incident in the midday, after a ‘phone’ was supposedly thrown ...
The White House was put on lockdown when an unknown object was thrown across the fence on the North Lawn. The press was ...