SIOUX FALLS S.D. (KELO) — A Sioux Falls man was shot in the leg Wednesday morning, police said at Thursday’s police briefing.

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Two men and a woman were in an alleyway on 2nd Street when an argument broke out around 9:30 a.m. Police are still trying to figure out what the dispute was about.

The man shot the other man in the leg. The victim, 39, was taken to the hospital for his injuries. Police are still looking for the suspect that shot him.

All three people knew each other, SFPD spokesman Sam Clemens said.