Authorities say a New Jersey man awoke after a long night's sleep to discover a knife stuck in his back.

Trenton Police SUV
Trenton Police SUV (YouTube)
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Police in Trenton say the 42-year-old man didn't know why his back was hurting when he got up Sunday so he had his brother take a look. The brother saw a knife protruding from the middle of his back.

Police did not identify the man. They say he had gotten into a fistfight on his porch after a night of drinking and apparently didn't realize he had been stabbed.

(Copyright 2013 by The Associated Press.  All Rights Reserved.)

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