NEW YORK (CBSNewYork) — A fire in an Upper East Side high-rise Friday night has left one person dead and another critically injured.

Firefighters responded to the luxury building on East 84th Street and First Avenue at around 9 p.m. Friday night.

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Video shows flames and smoke pouring out of the windows of a unit on the 25th floor.

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Firefighters were able to put the fire out in less than an hour, but a 76-year-old man inside the building could not be saved.

Investigators say he was found in a bedroom and died of severe burns. The victim has been identified as Joel Beeler.

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The cause of the fire is not yet known.