Sen. Elizabeth Warren Elizabeth WarrenHillicon Valley: Subpoenas for Facebook, Google and Twitter on the cards | Wray rebuffs mail-in voting conspiracies | Reps. raise mass surveillance concerns On The Money: Anxious Democrats push for vote on COVID-19 aid | Pelosi, Mnuchin ready to restart talks | Weekly jobless claims increase | Senate treads close to shutdown deadline Democratic senators ask inspector general to investigate IRS use of location tracking service MORE (D-Mass.) on Wednesday criticized comments made by former Vice President Joe Biden Joe BidenPelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Hillicon Valley: Subpoenas for Facebook, Google and Twitter on the cards | Wray rebuffs mail-in voting conspiracies | Reps. raise mass surveillance concerns Fox News poll: Biden ahead of Trump in Nevada, Pennsylvania and Ohio MORE about working with segregationist senators.

"I’m not here to criticize other Democrats, but it’s never OK to celebrate segregationists. Never,” she said, according to tweets from several reporters.

Biden has come under fire for touting his work with two segregationist senators in the 1970s as an example of bygone "civility."

WARREN on Biden: “I’m not here to criticize other Democrats but it’s never ok to celebrate segregationists. Never.” — Alan He (@alanhe) June 19, 2019

.@ewarren and @KamalaHarris on Biden, per @MKhan47



WARREN: “I’m not here to criticize other Democrats, but it’s never ok to celebrate segregationists."



HARRIS: "It concerns me deeply. If those men had their way, I wouldn’t be in the U.S. Senate and on this elevator right now.” — Johnny Verhovek (@JTHVerhovek) June 19, 2019

I asked @ewarren about @JoeBiden’s comments on segregationist senators. She replied: “I’m not here to criticize other Democrats, but it’s never okay to celebrate segregationists. Never.” — Sean Sullivan (@WaPoSean) June 19, 2019

"At least there was some civility. We got things done," Biden said at Tuesday night fundraiser of his work with former Sens. James Eastland (D-Miss.) and Herman Talmadge (D-Ga.).

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"We didn’t agree on much of anything. We got things done. We got it finished," Biden added. "But today, you look at the other side and you’re the enemy. Not the opposition, the enemy. We don't talk to each other anymore."

Biden was also criticized for the comment by 2020 candidates New York City Mayor Bill de Blasio Bill de BlasioOVERNIGHT ENERGY: California seeks to sell only electric cars by 2035 | EPA threatens to close New York City office after Trump threats to 'anarchist' cities | House energy package sparks criticism from left and right EPA threatens to close New York City office after Trump threats to 'anarchist' cities New Year's Eve in Times Square to be largely virtual amid pandemic MORE (D), Sen. Kamala Harris Kamala HarrisHundreds of lawyers from nation's oldest African American sorority join effort to fight voter suppression Biden picks up endorsement from progressive climate group 350 Action 3 reasons why Biden is misreading the politics of court packing MORE (D-Calif.), Sen. Cory Booker Cory Anthony Booker3 reasons why Biden is misreading the politics of court packing Bipartisan praise pours in after Ginsburg's death DHS opens probe into allegations at Georgia ICE facility MORE (D-N.J.) and former Rep. John Delaney John DelaneyCoronavirus Report: The Hill's Steve Clemons interviews Rep. Rodney Davis Eurasia Group founder Ian Bremmer says Trump right on China but wrong on WHO; CDC issues new guidance for large gatherings The Hill's Coronavirus Report: Kansas City Mayor Quinton Lucas says country needs to rethink what 'policing' means; US cases surpass 2 million with no end to pandemic in sight MORE (D-Md.)

Warren and Biden are among two dozen people vying for the 2020 Democratic presidential nomination and are two of the top contenders.