NEW YORK (CBSNewYork) -- A quick-thinking NYPD officer helped save a man's life in an unlikely way.
It happened on July 7 on Lenox Avenue near 125th Street in Harlem.
Video shows Officer Ronald Kennedy rushing to help a man who had just been stabbed.
The officer asks someone to get a bag of potato chips and tape, then uses that to stop the bleeding.
Doctors told police that the officer's actions are why the victim is alive.
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