Republican presidential front-runner Donald TrumpDonald John TrumpTrump's top adviser on Asia to serve as deputy national security adviser United Auto Workers strike against GM poised to head into eighth day Trump doubles down on call to investigate Biden after whistleblower complaint: 'That's the real story' MORE could "feel the Bern" on Thursday night.

Trump, who is making an appearance in Vermont, the home state of Democratic presidential candidate Bernie SandersBernie SandersOmar: Biden not the candidate to 'tackle a lot of the systematic challenges that we have' Seven takeaways from a busy Democratic presidential campaign weekend in Iowa Democrats go all out to court young voters for 2020 MORE, could have some empty seats in the house, thanks to the senator's supporters.

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They have taken to Facebook to urge other Sanders backers to sell out the venue in Burlington on Thursday night by reserving tickets and not showing up. 

“No, I have not converted to a racist bigot,” one Sanders supporter wrote. "I am just assuring that there are going to be two empty seats.”

The supporter then directed hundreds of other Facebook users to an Eventbrite URL to reserve tickets.

“Please share and spread the word so Trump gets the message that here in Vermont, we only #feel the bern.”

Burlington police officials have raised concerns of overcrowding at the rally because Trump's campaign has offered up 20,000 free tickets to the event, according to The Burlington Free Press. But officials say the theater where the event will be held has a 1,400-person capacity. 

Trump took to Twitter to alert supporters that they should get there early since admittance is first come, first served.