ATLANTA - Atlanta police say a man was shot Tuesday afternoon during an argument while selling bottled water near the Cleveland Avenue exit of Interstate 75.

What we know:

Officers arrived just after 3:24 p.m. and found 32-year-old DeMarcus Buford with a gunshot wound to his left arm.

Buford was alert, conscious and breathing and was treated at the scene by medical crews.

Investigators say he had been selling water on the corner when he got into a verbal dispute with a man driving a black Jeep.

The gunman initially left, then returned with a woman recording video from inside the vehicle.

Police say the driver pulled a gun and fired at the victim before speeding away.

What they're saying:

Buford described the return of the vehicle and the shooting, saying, "He came back with his g

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