Sen. Dianne Feinstein Dianne Emiel FeinsteinSenate confirms Trump court pick despite missing two 'blue slips' Hillicon Valley: Senators urge Trump to bar Huawei products from electric grid | Ex-security officials condemn Trump emergency declaration | New malicious cyber tool found | Facebook faces questions on treatment of moderators Ocasio-Cortez adviser says Sunrise confrontation with 'old-timer' Feinstein 'sad' MORE (D-Calif.) is warning Bernie Sanders Bernard (Bernie) SandersSenate Dems seek to turn tables on GOP in climate change fight Bernie Sanders Town Hall finishes third in cable news race, draws 1.4 million viewers Woman to undecided Biden: 'Just say yes' to 2020 bid MORE against inspiring the type of chaos that plagued the 1968 Democratic convention.

“It worries me a great deal,” she said Wednesday on CNN. "I don’t want to go back to the '68 convention because I worry about what it does to the electorate as a whole. And he should too.”

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The 1968 Democratic National Convention in Chicago was marred by violent clashes between protesters and police.

Nevada’s state Democratic convention Saturday erupted in turmoil when Sanders supporters began loudly protesting the results and booing Sen. Barbara Boxer Barbara Levy BoxerHispanic civil rights icon endorses Harris for president California AG Becerra included in Bloomberg 50 list Climate debate comes full circle MORE (D-Calif.) as she spoke.

The Nevada State Democratic Party on Monday said Sanders’s backers may instigate “actual violence” at the Democratic National Convention in Philadelphia this summer.

Sanders on Tuesday called such accusations “nonsense,” adding that the Nevada Democratic Party had unfairly impeded his presidential campaign.

“The Democratic leadership used its power to prevent a fair and transparent process from taking place,” he said in statement.

“If the Democratic Party is to be successful in November, it is imperative that all state parties treat our campaign supporters with fairness and the respect that they have earned.”

Feinstein on Wednesday said that Sanders’s remarks were too lenient after the severity of last weekend’s events.

“That was the time to send a full-throated message to his followers that we don’t do this kind of things,” said Feinstein, who has previously endorsed Democratic presidential front-runner Hillary Clinton Hillary Diane Rodham ClintonREAD: Cohen testimony alleges Trump knew Stone talked with WikiLeaks about DNC emails County GOP in Minnesota shares image comparing Sanders to Hitler Holder: 'Time to make the Electoral College a vestige of the past' MORE.

"This kind of thing is antithetical to the process that is set out before us. If we don’t like the process, we should work to change it.”

Nevada Democratic Chairwoman Roberta Lange on Wednesday asked Sanders to apologize for his supporters' actions.