Washington — North Carolina Lt. Gov. Mark Robinson, the Republican nominee for governor, posted a slew of incendiary, explicit and racist comments on a pornographic website more than a decade ago, according to a CNN investigation released Thursday that has shaken the state’s gubernatorial race.

Lt. Gov. Mark Robinson denied making inflammatory comments on a pornography website’s message board.

North Carolina Republican gubernatorial nominee Mark Robinson has vowed to remain in his race despite a CNN media report about comments it says he made on a website.