Officials said the gunman fatally shot himself after his attack, which set off a chaotic scene that rippled out into the heart of Manhattan during rush hour.

This is a breaking news story. For latest updates, please go to our live blog. An NYPD officer and at least four other victims were killed in a shooting at an office skyscraper in midtown Manhattan Monday evening,

A gunman opened fire in a prominent Manhattan office building on Monday evening, killing four people and seriously injuring a fifth before dying from a self-inflicted gunshot wound, New York City officials said.