An active shooter incident occurred in Midtown Manhattan, New York, officials said. Here's what to know about 345 Park Ave.

NEW YORK (AP) — At least two people, including a New York City police officer, were shot Monday in a midtown office building that houses some of the country’s top financial firms and the National Football League, a person familiar with the matter told The Associated Press.

Authorities in New York City responded to a report of a shooting at a midtown office building that houses some of the country’s top financial firms and the National Football League.

New York Mayor Eric Adams says that multiple people were injured during gunfire in Manhattan. NBC News’ Erin McLaughlin described the chaos inside the skyscraper as office workers barricaded themselves from the shooter.

Retired FBI intelligence Chris Eddy analyzes how employees tried to protect themselves from an active shooter in Manhattan on 'Jesse Watters Primetime.'

New York City police converged on a Park Avenue skyscraper in midtown Manhattan where gunshots were reported fired on Monday inside the tower housing offices of several financial firms and the headquarters of the National Football League,

One witness described seeing what appeared to be an injured police officer be carried out of the area by other officers.

At least two people, including a New York police officer, were shot in a midtown office building that houses some of the country’s top financial firms and the National Football League, officials said.

CCTV photo shows alleged Midtown Manhattan shooter in body armor with AR-15 after NYPD officer and civilian were shot Monday afternoon.