North Carolina's Republican gubernatorial candidate, Lt. Gov. Mark Robinson, called himself a "Black Nazi" and supported reinstating slavery in comments made on a pornographic website, CNN reported Thursday.

North Carolina Lt. Gov. Mark Robinson has gone quiet amid rumors of an impending negative news story that may force him out of the race, according to reports.

Robinson denied the CNN report, which stated that he referred to himself as a "black NAZI" and expressed support for bringing back slavery more than 10 years ago.

Mark Robinson, North Carolina's Republican gubernatorial candidate, released a video statement Thursday afternoon saying he's staying in the race following damning allegations reported by CNN. CNN claims that Robinson – under a username he allegedly used frequently online -- made several inflammatory comments on a message board of a pornography website more than a decade ago,