Four top operatives on North Carolina Lt. Gov. Mark Robinson’s campaign have stepped down, the campaign announced on Sunday.

North Carolina Lt. Gov. Mark Robinson avoided directly weighing in during a gubernatorial campaign event Saturday on a CNN report outlining evidence that he made disturbing posts on a pornography website’s message board more than a decade ago.

Several top staffers from Mark Robinson's campaign for governor of North Carolina resigned after a CNN report exposed disturbing past posts allegedly made by Robinson on a pornography website. Robinson denies the claims but is facing mounting pressure as the election nears.