A Dirksen Federal Building lockdown and standoff ended after roughly 9 hours after a man armed with a knife caused an evacuation, sources said.

The Dirksen Federal Building was evacuated Tuesday morning amid an incident in the lobby involving a man with a knife, and now the incident has since been resolved. WGN's Courtney Spinelli has the ...

The Dirksen Federal Building in downtown Chicago was on lockdown Tuesday morning, according to the Federal Bureau of Investigation.

The Dirksen U.S. Courthouse and other federal buildings were placed on lockdown Tuesday midday as law enforcement personnel responded to a person in the Dirksen lobby who may have had a knife and ...

Standoff at Dirksen Federal Courthouse with knife-wielding man ends after 9 hours The man held up a sign that read “call lawyer” during the lengthy standoff, which led to a mandatory ...

CHICAGO (WGN) — The Dirksen Federal Building and its surrounding streets are back open Wednesday morning after a knife-wielding man entered the lobby Tuesday and demanded to speak to the FBI ...

CHICAGO (WGN) — The Dirksen Federal Building and its surrounding streets are back open Wednesday morning after a knife-wielding man entered the lobby Tuesday and demanded to speak to the FBI ...

LOUISVILLE, Ky. — Reports of an "unattended package" caused a brief stir in downtown Louisville Tuesday morning. The scene unfolded after 9 a.m. near the Mazzoli Federal Building.

Louisville Metro Police confirmed they responded to the building to help the Federal Protective Service with a "suspicious package." Police said the call came in at 8:40 a.m.

The all-clear has been given after a suspicious package was found outside the Romano L. Mazzoli Federal Building in Louisville.

New video obtained by ABC News purports to show the conditions inside a so-called "holding facility" for detained migrants in a federal building in New York City.

Louisville Metro Police officers have cleared the area near the Roman L. Mazzoli Federal Building in downtown Louisville July 22 following reports of a suspicious package. LMPD spokesperson John ...