Officials say a man carrying a rifle killed four people at a New York City office tower. The shooting took place Monday afternoon at a midtown Manhattan office building that houses finance companies and the NFL headquarters.

A gunman opened fire inside a Midtown Manhattan skyscraper housing NFL headquarters and offices of several financial firms, including Blackstone, killing four people before fatally shooting himself.

Four people were killed, including an NYPD officer, and another man was critically injured in a shooting Monday evening inside a New York City skyscraper, which houses the corporate offices of the National Football League and Blackstone.