CHICAGO (WLS) -- A standoff at the Dirksen Federal Building downtown Chicago ended after roughly nine hours Tuesday night.

The FBI and Chicago police are responding to a downtown federal courthouse for an "undisclosed incident" on Tuesday.

The FBI and Chicago police responded to a downtown federal courthouse for an "undisclosed incident" on Tuesday.

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

The Dirksen Federal Building in Chicago was locked down after reports of a knife-wielding person inside. FBI is investigating ...

The FBI and other law enforcement personnel responded to a man in the Dirksen lobby who walked into the courthouse armed with ...

HOUSTON — Houston Mayor John Whitmire cut the ribbon Monday for the grand opening of the Houston Police Department's new ...

Following a nine-hour standoff at the Dirksen Federal Building, a knife-wielding man — who prompted a lockdown and evacuation ...

The man held up a sign that read "call lawyer" during the lengthy standoff, which led to a mandatory evacuation. There were no reports of injuries, and there was no danger to the public, authorities ...

Chicago cop who inadvertently shot and killed his partner has a lengthy disciplinary record in a short career Officer Carlos A. Baker has had more than a dozen complaints against him, records show.

The squeak of shoes on freshly installed floors and a distinct new-building smell filled the air at the Frederick Police Department’s newly completed $34 million headquarters Monday. “This ...

The 23-year-old man who’d been in the previous fight “confronted the two masked men,” according to the criminal complaints.