Just as Donald Trump on Monday was decrying Hillary Clinton for having called called "half" of his supporters "a basket of deplorables," an altercation broke out in the stands above him.
Protesters are nothing new at Trump rallies, but before a group could be escorted out of U.S. Cellular Center here Monday evening, a man from the crowd went over to violently confront them.
NBC News video of the incident shows the man with his hands on a protester's neck. Moments later, his hands furled into fists, the man lobbed a blow at the protester.
After the one protester was escorted out, the man pulled another toward him and shouted back and forth with a third, female protester while a member of Trump's advance team held him back.
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He also screamed at a female protester wearing a hijab who was not with the group but was also escorted out.
The unidentified man was allowed to remain for the rest of the rally, and Asheville police did not immediately return NBC News' request for comment on why the aggressive man was allowed to remain inside after his actions.
NBC News was unable to track down the protesters after the event.