The heightened measures come as the shooting touched off a panic in some corporations headquartered in office buildings ...

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

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

The 27-year-old Nevada man left a note at the scene voicing anger that his mental illness may be linked to his having played ...

Investigators are examining why the gunman who killed four people before taking his own life at a New York City office tower ...

The life of Aland Etienne, the security guard who was killed last month at a Manhattan office tower, is being remembered ...

Four people were killed, including an off-duty New York City police officer, when a gunman opened fire in an office tower ...

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

The same newspaper notes that the killer "obtained a firearm legally," which means he was never "committed" to a mental ...

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

The pair of illegal immigrants arrested in the shooting of an off-duty Customs and Border Protection officer allegedly ...

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