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

The gunman who killed four people at an office building in New York City on Monday evening left his home in Las Vegas, Nevada ...

Outnumbered' panelists discuss NYC mayoral candidate Zohran Mamdani's position on police after an off-duty officer was killed ...

Shane Tamura, after killing four in NYC, claimed in a note that he suffered from CTE and blamed the NFL, with no confirmed ...

A cleaner narrowly escaped the mass shooting at the Midtown Manhattan Park Ave. skyscraper, just missing a face-to-face encounter with the assault rifle-toting gunman, police said Wednesday. Through ...

Security experts say large businesses may look to fortify their offices by adopting tools and protocols already in place at many schools and houses of worship.

Investigators are working to piece together what led to the deadly mass shooting at a Manhattan office building that left four people dead and one injured as officials reveal new details about what ...