The incident happened around 2 p.m. at the Temple Deli and Grocery on Temple Street in Paterson.
Upon arrival, police found the victim, a 19-year-old Clifton resident, with a non-life-threatening gunshot wound to the leg.
The woman was taken to St. Joseph's Regional Medical Center in Paterson.
Authorities announced that 26-year-old Keith Hill was arrested Tuesday and charged with first-degree attempted murder.
The investigation is ongoing.
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