Four people were killed when a gunman stormed a skyscraper on Monday evening and opened fire.

At least four people were killed, including an off-duty police officer, in a skyscraper shooting in New York City on Monday evening that injured six others.

Police say Shane Tamura killed NYPD officer Didarul Islam and critically injured an NFL employee after ‘spraying’ the lobby of a Park Avenue skyscraper with bullets from an…