First Squad detectives are trying to determine who shot a man in the foot in front of his Uniondale home Sunday, Nassau County police said.

At about 4 p.m. the victim, 21, was in front of his Greengrove Avenue residence when another man fired four to six gunshots at him using a semiautomatic pistol, police said.

The victim was hit in the left foot and was treated and released at a nearby hospital, police said.

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The shooter, who was on foot, ran north on Greengrove Avenue.

Anyone with information can call Crime Stoppers at 800-244-8477. All calls will be kept confidential.