Four people were killed and a fifth was injured in a mass shooting at a Midtown Manhattan office building on Monday.

New York City is mourning NYPD Officer Didarul Islam and three other people killed in Monday's shooting inside an office ...

Officials said the gunman fatally shot himself after his attack, which set off a chaotic scene that rippled out into the ...

The killing of four people, including a police officer, in a Midtown Manhattan office building rattled a city where mass ...

The gunman who killed four people, including an NYPD officer, inside a Manhattan office building Monday evening left a note ...

No motive has been announced. A suicide note was found expressing grievances with the NFL and saying Tamura suffered from CTE ...

The New York police officer killed in a mass shooting in a Manhattan skyscraper on Monday was an immigrant who left behind a ...

Rep. Nicole Malliotakis spoke with Fox News Digital after the deadly shooting that left multiple people including a police ...

Everytown for Gun Safety’s Nick Suplina joins ABC News’ Linsey Davis to unpack what the Manhattan shooting tells us about the effectiveness of some of the strictest gun laws in the U.S.

As for security, badges and sign-in lists for visitors became standard fare in New York office buildings after the Sept. 11 ...

Blackstone, one of the world’s largest investment firms, confirmed one of its employees, Wesley LePatner, was among those ...

Police have lined up four rows deep to pay respects to a fellow officer who was among the victims of a gunman's rampage at a ...