This is a breaking news story and is being constantly updated by our reporters as the breaking news story develops ...

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

The horrific mass shooting at a Midtown office building on Monday was the deadliest gun attack in the Big Apple in 25 years.

The last killing of such a scale in the city was during a fast-food restaurant robbery in Queens in 2000. Mass murders of ...

A New York City office building where a gunman killed four people then himself has reopened a week after the deadly shootings ...

The gunman from Las Vegas who committed the mass shooting last week in New York City repeatedly threatened to harm himself, ...

There are proven programs that work to prevent targeted violence like the recent shooting in midtown Manhattan. But the Trump ...

New York City has some of the toughest gun laws in the nation. But Monday’s mass shooting showed their limits, security ...

Workers returned to 345 Park Ave., on Monday​ under the watchful eyes of NYPD officers and a surplus of security after the ...

Shane Tamura, the Park Ave. gunman who killed an NYPD officer and three others before taking his own life, left behind a ...

An NFL employee was seriously injured during the mass shooting at the Manhattan office tower that houses the league’s ...

The attack took place in a skyscraper that houses the headquarters of the NFL and major financial firms. There is a police ...