A man was killed after his shirt that was stuck in a subway escalator in the Bronx, N.Y., choked him to death early Sunday morning, authorities said.

Police responded to the Intervale Station on the No. 2 and 5 lines in Longwood at about 3:45 a.m. after a report of a man acting erratically, authorities said.

When they arrived, they found the 48-year-old man unconscious on top of the escalator with part of his shirt caught in the machine and the other part choking him, cops said.

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Officers were able to cut the shirt off of him and FDNY medics rushed him to Lincoln Hospital, but he was pronounced dead, authorities said.

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