Police are searching for a man who attacked a woman in a Hempstead parking lot Wednesday afternoon, striking her in the head with a weighted sock before stealing her pocketbook -- and fleeing the scene.

The woman was treated at a hospital for contusions to her head, arms and legs, Nassau County police said.

The robbery occurred at about 4:30 p.m. in a lot near the intersection of Fulton Avenue and Main Street, police said.

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Police said the woman, identified only as being 31 years old, was in the parking lot when the robber, described as being about 5-foot-6 and in his 40s with a goatee and wearing blue jeans, a dark shirt and a dark, hooded sweatshirt, struck her "several times in the head" with a weight wrapped in a sock. The man stole the victim's pocketbook containing an undisclosed amount of cash and fled in a white Nissan Altima, according to police.

Police ask anyone with information to call Crime Stoppers at 800-244-TIPS. All calls will remain confidential.