At least six people were shot Monday, and a police officer was killed when a suspected gunman unleashed a barrage of gunfire inside a midtown Manhattan office building that houses the Blackstone investment firm and the headquarters of the NFL. 

Video taken by a FOX 5 NY employee showed several officers carrying a person, and other officers appeared to be tending to a person lying on the ground. The news outlet reported the number of people killed, citing law enforcement sources. 

Two police officers were shot, including the one who died, sources told Fox News. 

The gunman was armed with a rifle and first opened fire in the lobby of the building on 52nd Street and Park Avenue. He went to another floor and shot people there, sources told Fox News, before going up to the 33rd floor and shooting himself. 

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An NYPD officer working security at the building was one of the people shot, sources said. During the chaos, people inside the building were hiding on different floors, the kitchen and bathrooms. 

NYPD and Sheriff’s Department officers in protective gear were seen with guns drawn, Fox New York reported.

“New Yorkers: there is an active shooter investigation taking place in Midtown right now,” New York City Mayor Eric Adams wrote on X. “Please take proper safety precautions if you are in vicinity and do not go outside if you are near Park Avenue and East 51st Street.”

Officers were sweeping the building to see if a second shooter was present. 

The city’s emergency notification system told followers to expect traffic and mass transit disruptions. 

New York attorney General Letitia James said she “praying for our law enforcement and the New Yorkers impacted in the shooting situation this evening in Manhattan.”

FBI Deputy Director Dan Bongino said that FBI New York Field Office management personnel and agents were responding to provide support at the active crime scene.

“The FBI is on scene at the Manhattan crime scene,” he wrote. “The NYPD currently has the lead in this investigation. Our personnel are there to support their efforts. Motive is currently under investigation.”

Jay Clayton, the U.S. Attorney for the Southern District of New York, has set up a command post to assist the NYPD and FBI agents at the scene, Attorney General Pam Bondi said.