During evening rush hour in New York City on Monday, a man calmly walked into a Park Avenue office building lobby and killed ...

LAS VEGAS -- The gunman who killed four people before taking his own life in a midtown Manhattan office building that houses ...

Within minutes, Tamura had killed four people, injured another, and eventually turned the weapon on himself on the building’s ...

Officer Didarul Islam, 36, who was guarding the building on a paid security job when he was killed, had served as a police ...