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.

A gunman with a history of mental illness opened fire in an NYC skyscraper, killing four and injuring at least five before taking his own life.

Four people, including a New York City police officer, were killed when a gunman opened fire inside a Midtown Manhattan office building on July 28.