They tell NBC 6 News that they were sent to the Margaritaville Casino's parking lot around 10:30pm Sunday.
The victim, a 22-year-old man, was stabbed once in the upper back during an argument with another man.
The victim was taken to University Health in Shreveport with a minor, non-life threatening wound.
No arrests have been made at this point.
Both the victim and suspect know each other, and were among a group of people visiting the casino from Canton, Texas.
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