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

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

"He comes with a machine gun. He's not going to know who I am. He's going to shoot, no matter what," Sebije Nelovic said in a ...

Wesley LePatner, 43, was among the four people killed by a gunman who stormed the Park Avenue building where she worked on ...

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

A man stalked through a Manhattan office tower firing a rifle, killing four people, including a New York City police officer, ...

A man carrying a high-powered rifle shot and killed four people, including an off-duty police officer working security in ...

President Donald Trump expresses support for law enforcement after a Manhattan office shooting that killed NYPD Officer ...

NYC mayoral candidate, Zohran Mamdani, faced criticism from Andrew Cuomo over past anti-police comments after mass shooting ...

Five people—including the suspected perpetrator Devon Tamura and NYPD officer Didarul Islam—were left dead at an office ...