San Antonio police are investigating a strange situation involving a naked man who was stabbed.  

Officers were answering a call about a nude man when they found the victim walking on Commerce Street near Las Moras around 1:30 a.m. Monday.

They said the man told them he had been attacked under the Commerce Street bridge near S. San Marcos Street.

The victim was taken to University Hospital in critical condition, according to police.

Police did not make any arrests right away, nor explain why the man was naked.

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