A Sparks man was arrested after his dogs attacked a 10-year-old boy twice in a two weeks. 28 year old Zacchaeus Jerome Williams,was booked on a felony count of child abuse with substantial bodily harm. The most recent attack came Monday. Police went to Renown Regional Medical Center about 7 p.m. where the 10-year-old was being treated to extensive wounds received from dog bites. The boy underwent surgery to repair internal injuries. Washoe County Animal Control told them the boy was also injured by the dogs on Jan. 8. The dogs were taken by animal control.