In Manhattan, N.Y., an off-duty NYPD officer and three civilians lost their lives when a gunman opened fire at a skyscraper in Midtown on Monday evening, according to sources reporting to Nexstar’s WPIX.

The incident occurred in the lobby of Blackstone, a building known to host leading financial institutions and the NFL, as reported by a person familiar with the incident to The Associated Press.

The suspect was identified as Shane Tamura, of Nevada, two people briefed on the investigation told the AP. Sources said he fatally shot himself.

Law enforcement officials located identification on Tamura’s body, including a concealed carry permit from Las Vegas, the people said. 

The building was being evacuated as of 7 p.m.

At 7:13 p.m., Mayor Adams confirmed on X that an active shooter investigation was taking place in Midtown.

NYPD Commissioner Jessica Tisch confirmed on X that the situation was under control, stating, “At this time, the scene has been contained and the lone shooter has been neutralized.”

The NYPD is urging pedestrians to avoid the area around East 52nd Street between Park Avenue and Lexington Avenue.

An individual was taken to a local hospital in cardiac arrest, according to an EMS source.

This is a developing story; the Associated Press contributed to this report.