Note: The following contains strong language.
"Go to Auschwitz," the man said to the protesters after raising his arm in an apparent Nazi salute. "Go to fucking Auschwitz."
Kyle Bogden posted the video on YouTube. The identity of the man in the clip has not been revealed.
The incident occurred shortly after another Trump supporter, 69-year-old Birgitt Peterson, raised her arm in a Nazi salute after a campaign rally in Chicago was cancelled due to protests.
Peterson, who was born in West Berlin, told The New York Times she wasn't a Nazi sympathizer but made the gesture as a counter-protest.
Trump disavowed these efforts, but was criticized for not being vocal enough.
"Trump has 'quote unquote' repudiated these groups, but only in the most milquetoast way imaginable," Mark Potok, senior fellow at the Southern Poverty Law Center, told HuffPost last month. "The fact is that white nationalists are mobilizing for Trump whether he likes it or not."
Editor's note: Donald Trump is a serial liar, rampant xenophobe, racist,misogynist, birther and bully who has repeatedly pledged to ban all Muslims -- 1.6 billion members of an entire religion -- from entering the U.S.