A shooting at a midtown Manhattan office building on Monday left at least five people dead, including an off-duty New York City police officer, sources told The .

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.

The Manhattan office building shooting victims include NYPD Officer Didarul Islam, Blackstone executive Wesley LePatner and security guard Aland Etienne.