The horrific mass shooting at a Midtown office building on Monday was the deadliest gun attack in the Big Apple in 25 years. Shane Tamura gunned down four innocent people — including an NYPD cop and a business executive — before turning the gun on himself late Monday.

There was a massive police response in Midtown Manhattan after a gunman opened fire inside an office building at 345 Park Ave. New York City Mayor Eric Adams said a NYPD officer, three civilians and the suspected gunman are among the dead.

Roger Goodell alerted all NYC NFL employees to work from home at least through next week following the tragic mass shooting that left four dead at the league's headquarters.