Police say three women and one male followed Alfreda Williams after she drove up to the police station on Saturday afternoon.
Williams told The Times of Trenton she was punched in the head, had her arm closed in a car door and was kicked in the face. It all took place in front of her 9-year-old son.
Police found the 49-year-old Ewing resident with a fractured eye socket and a concussion.
Police and Williams say the assault stemmed from an ongoing dispute.
Police have not released the names of the suspects.
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Information from: The Times, http://www.nj.com/times
