NEW YORK -- A man apparently jumped off a building and landed on a hospital's pressurized oxygen tank, causing a leak and cutting off the oxygen supply to the hospital, according to authorities.

CBS New York reports the incident happened around 2 a.m. Friday at Mount Sinai West Hospital on the west side of Manhattan.

Police said the 31-year-old man was pronounced dead. There were no other injuries, CBS radio station 1010 WINS reported.

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The oxygen leak has been turned off and the leak contained. The hospital is operating on a portable system until repairs are made.

The NYPD said the emergency room was evacuated as a precaution and patients there are being relocated to other rooms of the hospital. Incoming patients are being diverted to other hospitals in the area.

Police have 59th Street between 9th and 10th avenues blocked off as repairs are being made, CBS New York reported.

The name of the victim wasn't immediately released. Police were trying to determine the exact location from where he had jumped.