A nineteen year old Nacogdoches County man underwent abdominal surgery Sunday after being stabbed at a party rental facility. It's called the Chocolate City Club, north of Central Heights off Highway 259. L'aron Long told deputies he doesn't know who knifed him, but it happened during a fight involving several people. Sheriff Thomas Kerss is asking anyone who may have some information on this crime to call Crime Stoppers at 560-INFO. So far, there aren't many leads in the case.