John Dennis, chairman of the San Francisco Republican Party, posted a video on Twitter of his encounter with a man protesting his participation in a cleanup event organized by right-wing activist Scott Presler.

Dennis described the man, seen in the video wearing a yellow shirt, as an “Antifa bully.” Newsweek could not confirm if the man is affiliated with the anti-fascist movement, but has reached out to Berkeley Antifa, the nearest local group to San Francisco, for comment.

In the video posted on Dennis’s Twitter account, he is seen approaching the man. “Why are you so angry? I don’t understand. I’m just here chatting with you. Why are you angry man? You probably disagree with me but I disagree with you.”

The man replied, “No, I actually want you dead.”

Asked to explain why, the man added, “Because you’re a piece of s***. Because you’re racist.”

Dennis replied, “How do you know? You don’t know one thing about me. I grew up in a public housing project.”

The man replied, “I’m sure you did. Wherever you grew up, you should go back there cause we don’t want you here in SF.”

Getting close to Dennis, he added, “Bruh, I’mma catch you when all the cameras aren’t around and I’m gonna f*** you up!”

“No, you’ve got the wrong guy. You’ve got the very wrong guy,” Dennis replied.

“I got the exact right guy,” the man responded.

Alongside the video, which has since been shared more than 17,000 times, Dennis wrote, “This ANTIFA bully thought he could intimidate San Francisco Republicans. Wrong! #SanFranciscoCleanup”

In a livestream posted on Twitter on Tuesday, Dennis added that up to 40 Antifa members came to protest because “Republicans were cleaning up San Francisco.”

He said the man in the video stood out from the other Antifa members, who wore dark clothing, because he wore a yellow shirt with the word “resistance” on it and was being “belligerent.” Dennis said the man flipped over a canopy and made threats to individuals in the crowd.

Dennis added it was that man who appeared to be “giving backbone” to the “rest of the lightweight Antifa” and so he approached him to talk.

He also added that what is not seen in the video is how he “got angry” and approached the man in the yellow shirt again. Dennis admitted to using “rough language” to tell him that he wasn’t going to be intimidated. Dennis said the man left after that and the crowd “lost a lot of its fight.”

Presler, the pro-Trump activist who organized Saturday’s cleanup event, tweeted, “We got protested for picking up trash. I never thought I’d see the day, as an adult, that I was protested for picking up trash.”

He previously made headlines as the organizer of anti-Muslim marches across the U.S. in 2017 when he worked for the anti-Muslim hate group ACT for America. Since then, he has organized cleanup events in other cities, including in Baltimore and in homeless camps in Los Angeles.

Following the cleanup event in Baltimore last year, the Baltimore Sun published a scathing editorial suggesting Presler’s motives were political.

Newsweek contacted Dennis, Presler and the San Francisco Police Department for comment.