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

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

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

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

The lobby of 345 Park Avenue will reopen for the first time since last Monday's mass shooting that left four innocent victims ...

Investigators are combing through evidence in the wake of New York City’s deadliest mass shooting since 2000, trying to ...

Investment company Blackstone said its Manhattan offices will be closed Tuesday after Monday's mass shooting that killed ...

One dreadful post referenced the infamous Luigi Mangione, accused of killing UnitedHealthcare CEO Brian Thompson on the ...

A Blackstone executive and mother of two, a hero NYPD officer, a Cornell grad and a security guard were among the four people ...

Wesley LePatner, a Blackstone executive who lived in Roslyn, was among those killed in Monday's mass shooting in Midtown ...

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