The fire started around 7:30 a.m. Saturday on West 71st Street between Columbus and Amsterdam Ave.
Fire officials say the flames started inside an apartment on the 10th floor.
The victim has been identified as William Green, 78.
The cause of the fire remains under investigation.
RELATED | Timeline of UnitedHealthcare CEO shooting
How police tracked down CEO murder suspect Luigi Mangione
----------
* Get Eyewitness News Delivered
* More Manhattan news
* Send us a news tip
* Download the abc7NY app for breaking news alerts
* Follow us on YouTube
Submit a tip or story idea to Eyewitness News
Have a breaking news tip or an idea for a story we should cover? Send it to Eyewitness News using the form below. If attaching a video or photo, terms of use apply.