NEW YORK ― Four people were killed, including an officer for the New York Police Department, after a man opened fire inside a Midtown Manhattan skyscraper housing the NFL headquarters and offices of several major financial firms, including private equity giant Blackstone, New York City officials said.

Live updates and developments about a shooting in New York City's Midtown. Five people, including the gunman and a police officer, are dead.

A gunman killed at least four people, including an off-duty New York City police officer, in a shooting at a Manhattan office building on Monday, sources told AP. The suspect, Shane Tamura of