The Dirksen Federal Building in Chicago was locked down after reports of a knife-wielding person inside. FBI is investigating; locals urged to avoid the area.

The three suspects arrested after a brief standoff with a SWAT team in Heber City on Monday have been identified.

Ozzy Osbourne, the gloomy, demon-invoking lead singer of the pioneering band Black Sabbath who became the throaty, growling ...

The device that exploded last week at a LASD facility and killed three detectives was a grenade, ABC News sources confirmed.