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 on lockdown after a person with a knife entered and demanded to speak with law enforcement, 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 ...

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 ...

The Secret Service immediately initiated emergency protocol by locking down the White House and redirecting all press ...

The White House has not yet issued an official statement about the security breach. The incident represents the latest security challenge facing the Secret Service, which has experienced several ...

This isn't the first unusual security incident at the White House this year. A few months ago, a child managed to slip ...

The White House was briefly locked down on Tuesday after a phone was thrown over the North Lawn fence. Secret Service agents responded swiftly to the scene.

The White House was briefly locked down on Tuesday after someone threw a phone over the North Lawn fence, prompting a Secret ...