Donald Trump has attracted a following from white supremacist group Ku Klux Klan, who appeared in long cloaks and head-coverings at the Nevada caucus.

Mr Trump is already facing resurfaced allegations of sexual assault ahead of Super Tuesday on 1 March, he has been considering suing rival Ted Cruz for “lying” to Iowa voters in a mailer, and has fanned flames of racism with his talk of banning Muslims from the US and building a wall along the US border to keep out Mexicans.

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Mr Trump has “refused” to condemn those who believe Christian white people are a superior race, and has “encouraged” the hatred, according to Occupy Democrats.

"This, America, is what the Republican Party has come to. It is absolutely appalling to see that the front-runner of one of our nation’s two major political parties has been spouting such absurdly discriminatory rhetoric that his supporters feel bold enough to show up to caucus dressed as members of the Ku Klux Klan," wrote Colin Taylor.

Krystal Heath, station manager at KVXLRadio, a Biblical station in Nevada, posted a tweet of two KKK supporters flying banners with Mr Trump’s logo: "We can make America great again". She reported that volunteers asked caucus-goers to ignore them.

Jon Humbert on twitter expressed horror at seeing KKK members standing outside a high school in Las Vegas.

A map compiled by the Southern Poverty Law Center found a significant rise of KKK groups. In 2015 there were 190 active branches across the US, from just 28 active branches in 1990.

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