UnitedHealthcare CEO Brian Thompson was fatally shot in New York

Brian Thompson, the CEO of UnitedHealth Group‘s insurance unit, was fatally shot in midtown Manhattan on Wednesday morning, a person familiar with the matter told CNBC.

UnitedHealth Group canceled its investor day after reports of the shooting emerged. Thompson led UnitedHealthcare, the largest private health insurer in the United States

Police are investigating the shooting as a targeted attack, according to a person familiar with the matter.

The suspect is described as a white male wearing a black hoodie, black pants, black sneakers with white trim and carrying a gray backpack, the person said. The suspect is also described as using a firearm with a silencer, the person added.

A New York Police Department spokesman confirmed that a 50-year-old man was shot in midtown Manhattan at 6:46 a.m. ET on Wednesday. However, the spokesman did not confirm the man’s identity.

The spokesman said the man was taken to Mount Sinai West Hospital in critical condition and was pronounced dead. No arrests have been made and an investigation is ongoing, they added.

UnitedHealth Group held its investor day at New York’s Hilton Hotel in Midtown. UnitedHealth Group did not immediately respond to a request for comment.

The company did not confirm the shooting during its investor day.

“I am concerned that we are — some of you may know that we are dealing with a very serious medical situation involving one of our team members,” UnitedHealth Group officials said during the investor day, according to a transcript. “For this reason, I am afraid that we will have to end the event today, as I am sure you will understand.”

This is breaking news. Please refresh for updates.