Republican presidential front-runner Donald TrumpDonald John TrumpGOP senator introduces bill to hold online platforms liable for political bias Rubio responds to journalist who called it 'strange' to see him at Trump rally Rubio responds to journalist who called it 'strange' to see him at Trump rally 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 SandersFive takeaways from Trump's 2020 kickoff rally Five takeaways from Trump's 2020 kickoff rally Sanders tears into Trump in response to campaign kickoff rally 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.