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

On Monday, the lobby of 345 Park Avenue will reopen for the first time since last Monday's mass shooting that left four ...

Aland Etienne leaves behind two school-aged children, including a young son who celebrated his seventh birthday just days ...

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

(CNN) — During evening rush hour in New York City on Monday, a man calmly walked into a Park Avenue office building lobby and killed a police officer, then opened fire on other innocent strangers.