A shooting Monday at an office building in New York City that is home to the Blackstone investment firm and the NFL left four people dead, including an NYPD officer.

Players and coaches around the NFL reacted with shock and sadness Tuesday after a gunman killed four people at the New York office building housing the league's headquarters.

Shane Tamura, the shooter behind the deadly rampage in Midtown Manhattan,​ was apparently targeting NFL offices, NYC Mayor Eric Adams says.