A man stalked through a Manhattan office tower firing a rifle, killing four people, including a New York City police officer, and wounding a fifth before taking his own life, officials said.

Investigators believe Shane Tamura was trying to get up to the NFL offices after shooting several people in the lobby of the building at 345 Park Avenue but entered the wrong lift.View on euronews

The Nevada man behind a shooting spree in a Midtown Manhattan office building may have originally been targeting for the NFL headquarters, sources say.