Four people were killed, including an off-duty New York City police officer, when a gunman opened fire in an office tower before fatally shooting himself, officials said.

Rep. Nicole Malliotakis spoke with Fox News Digital after the deadly shooting that left multiple people including a police officer dead.

Four people were killed and a fifth was injured in a mass shooting at a Midtown Manhattan office building on Monday.

Former FBI Special Agent Vito Roselli said one of the biggest challenges with safeguarding city buildings is that many lobbies are open to the public.

A shooting in a Manhattan skyscraper late on Monday that killed four people, including a New York City police officer, has been marked by statements of sorrow and prayers for the victims' families, but no sign of the Republican-controlled U.

We have reason to believe he was focused on the NFL agency that was located in the building,” New York City Mayor Eric Adams said during an interview on MSNBC Tuesday.

At least one police officer and one civilian were shot inside 345 Park Avenue in New York City, according to NBC News. "New Yorkers: there is an active shooter investigation taking place in Midtown right now," New York Mayor Eric Adams wrote on X. The New York Police Department advised people to avoid the area.

A gunman armed with an assault rifle shot an NYPD officer inside a Park Avenue building in Midtown Manhattan that houses Blackstone and the NFL headquarters.