Supporters of Hillary ClintonHillary Diane Rodham ClintonBiden slams Trump over golf gif hitting Clinton Overnight Cybersecurity: Equifax hit by earlier hack | What to know about Kaspersky controversy | Officials review EU-US privacy pact Overnight Tech: Equifax hit by earlier undisclosed hack | Facebook takes heat over Russian ads | Alt-right Twitter rival may lose domain MORE are accusing Nevada caucusgoers supporting Bernie SandersBernard (Bernie) SandersOvernight Defense: Senate passes 0B defense bill | 3,000 US troops heading to Afghanistan | Two more Navy officials fired over ship collisions Senate passes 0B defense bill Dems fear lasting damage from Clinton-Sanders fight MORE of shouting "English only" when other participants requested a Spanish translator. 

Civil rights activist Dolores Huerta, who has endorsed Clinton, told CNN that the comments came when she offered to translate herself.

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"I walked up to the front and then some of the organizers, the Bernie organizers, decided to shout 'no, no, no,'" she said to the network, noting that a Sanders supporter offered to translate as well. 

"Then some of the organizers were shouting 'English only, English only.' This is bad."

Actress America Ferrera, who is also backing Clinton, took to Twitter to also share her observations from the Harrah's casino site. 

A video was posted online purportedly showing the moment, but the “English only” chant is not audible in the clip. Buzzfeed reported it has two neutral sources backing up Huerta's account.

But Sanders supporters, including actress Susan Sarandon, have pushed back on Huerta's claim.

Sarandon, who says she was also at the caucus site, tweeted out a link to video from the caucus and argued that a moderator said that the caucus would continue only in English once a translator could not be found.

Symone Sanders, Sanders's spokeswoman, told CNN that the campaign doesn't "condone" disrespectful actions by supporters. 

"As the senator has said, this campaign is about bringing people together, not dividing them," she told the network. 

"We expect our supporters to be respectful of all people and don't condone anything otherwise."

Clinton won the caucuses in large part from support from Clark County — the home of Las Vegas — sweeping major caucus sites held on the Las Vegas strip. 

Her campaign highlighted Sanders's vote against immigration reform in 2007 as she sought to shore up her lead among Hispanic voters.

This story was updated at 9:32 a.m. on Monday.