A video in which Minnesota Governor Tim Walz sharply criticizes the alleged Nazi comments of North Carolina Lieutenant Governor Mark Robinson caused a stir on social media on Saturday.

Robinson’s gubernatorial campaign in the Tar Heel State was rocked Thursday by a CNN report alleging that Robinson posted racist and sexist posts on a porn site over a decade ago. The lieutenant governor has repeatedly denied writing the posts and has said he will stay in the race, telling CNN the alleged posts were “offensive tabloid lies.”

CNN reported that Robinson – whose candidacy for governor is supported by former President and Republican candidate Donald Trump – allegedly made a series of inflammatory comments on a message board on the porn site Nude Africa between 2008 and 2012. Among other things, he referred to himself as a “black NAZI.”

The CNN report appears to link him to posts written under the username “minisoldr.” On Friday The Washington Post reported that “minisoldr” also praised the manifesto of Nazi leader Adolf Hitler My Struggle.

“My Struggle is a good read,” the Nude Africa user reportedly wrote in a book recommendation thread. “It’s very informative and not at all what I expected. It’s a real eye opener.”

In an apparent jab at Robinson, Walz, Kamala Harris’s Democratic vice presidential running mate, explained Minnesota and Pennsylvania’s role in the defeat of Nazi Germany in the 1940s during a campaign appearance on Saturday, but told the people of Allentown, Pennsylvania, that neo-Nazism also exists in the Republican Party.

“The iron from the iron country in northern Minnesota powered the steel mills here in the Lehigh Valley. Together, our people built the tanks that won World War II and liberated the world from Nazi oppression,” Walz told the crowd. “I don’t know if you’ve noticed the Nazi tyranny, but we have people running for governor as Republicans who are proud to call themselves Nazis. Let’s not pretend there’s a difference of degree between the people running here.”

Newsweek reached out to the Harris-Walz campaign and Robinson’s campaign via email late Saturday afternoon seeking comment.

A video of Walz’s comments posted on X (formerly Twitter) has been viewed 590,400 times since it was posted just before 1 p.m. Eastern Time on Saturday afternoon by a senior digital editor at liberal news channel MeidasTouch, who goes by the name Acyn.

Rick Wilson, co-founder of The Lincoln Project, an anti-Trump super PAC, shared the video and wrote on X: “He did it. And I’m in. As I always say, if the boot fits…”

Fred Wellman, moderator of the About Democracy Podcast on MeidasTouch, wrote in response to the video simply: “Facts.”

Meanwhile, Robinson’s campaign communications director Mike Lonergan blamed Josh Stein, Robinson’s Democratic opponent, for the publications in a statement emailed to AFP. Newsweek on Friday.

“Everything Josh Stein (and) the Democrats say about Mark Robinson is either a flat-out lie or so taken out of context that it might as well be,” Lonergan said. “The people of North Carolina have heard enough lies from career politicians like Josh Stein – and that’s why they’re going to elect Mark Robinson governor on November 5.”