Ahead of the final presidential debate at a university in the Las Vegas, an immigrant union of Mexicans and Latinos plans to erect a 'wall' of taco trucks outside of Trump's International hotel in the city.

The Republican presidential nominee Donald Trump has called Mexicans "rapists" and ranted against immigrants saying he "will build a great, great wall on our southern border" and will have Mexico pay for it during his election campaign.

The BuzzFeed News reported, Democrat Ruben Kihuen said that, "As he has demonized Hispanics, women, veterans, and the disabled, we will send him and those who supported him like my opponent Congressman Cresent Hardy a message that we're here and we vote."

The Culinary Union and several other groups aim to have at least five taco trucks outside Trump's hotel, in addition to a banner in the style of a wall that participants will be able to sign.

"Taco trucks, featuring perennially sky-high approval ratings, were dragged into the 2016 race by a Hispanic Trump surrogate who argued on MSNBC that Latino culture is very dominant, warning that eventually there would be taco trucks on every corner," it explained.

The Trump campaign's response to the 'wall' of taco trucks? Senior adviser and Hispanic outreach director AJ Delgado, said that, "I never, EVER turn down a chance to eat some good tacos so I say 'thanks' for setting up shop right outside!"

The Culinary Union has held nearly 10 rallies outside Trump's Las Vegas hotel, since workers voted to unionize and won last December. They argue that Trump is illegally refusing to bargain with them.

"Everyone coming together is really about sending a message that we reject Trump and the politics of hate," said Rocio Saenz of iAmerica, another group supporting the Union.

"We're reminding Mr Trump that immigrant workers here and across the country will be watching the debate and voting in November," the political director of the Culinary Union said.

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Nandini