Sen. Bernie Sanders Bernie SandersSirota reacts to report of harassment, doxing by Harris supporters Republicans not immune to the malady that hobbled Democrats The Hill's Morning Report - Sponsored by Facebook - Republicans lawmakers rebuke Trump on election MORE (I-Vt.) on Saturday night strongly condemned former New York Mayor Michael Bloomberg Michael BloombergBloomberg rolls out M ad buy to boost Biden in Florida Democratic groups using Bloomberg money to launch M in Spanish language ads in Florida Bloomberg pays fines for 32,000 felons in Florida so they can vote MORE over the possibility that he may launch a 2020 presidential campaign, saying that the move displayed the "arrogance of billionaires."

Sanders made the statement in an interview with ABC News following an Iowa campaign rally in which he appeared alongside first-term Rep. Alexandria Ocasio-Cortez Alexandria Ocasio-CortezOn 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 McCarthy says there will be a peaceful transition if Biden wins Anxious Democrats amp up pressure for vote on COVID-19 aid MORE (D-N.Y.).

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"I'm doing five events this weekend right here in Iowa. We're all over New Hampshire, South Carolina, Nevada, California. But he's too important," Sanders said, referring to reports that Bloomberg would not aggressively compete in the first four voting states. "You see, when you're worth $50 billion, I guess you don't have to have town meetings, you don't have to talk to ordinary people. What you do is you take out, I guess a couple of billion dollars, and you buy the state of California."

The comments from Sanders came just a day after Bloomberg, a billionaire businessman, filed as a candidate for the Alabama Democratic presidential primary, a first step in a potential 2020 White House bid.

While Bloomberg has not made a final decision on whether to run, the move has led to mounting questions about how his candidacy could impact the crowded 2020 Democratic primary field.

Bloomberg's centrist views align with former Vice President Joe Biden Joe BidenFormer Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick Bloomberg rolls out M ad buy to boost Biden in Florida MORE and South Bend, Ind., mayor Pete Buttigieg Pete ButtigiegBillionaire who donated to Trump in 2016 donates to Biden The Hill's Morning Report - Sponsored by Facebook - GOP closes ranks to fill SCOTUS vacancy by November Buttigieg stands in as Pence for Harris's debate practice MORE. Sanders and Sen. Elizabeth Warren Elizabeth WarrenOvernight Defense: Appeals court revives House lawsuit against military funding for border wall | Dems push for limits on transferring military gear to police | Lawmakers ask for IG probe into Pentagon's use of COVID-19 funds On The Money: Half of states deplete funds for Trump's 0 unemployment expansion | EU appealing ruling in Apple tax case | House Democrats include more aid for airlines in coronavirus package Warren, Khanna request IG investigation into Pentagon's use of coronavirus funds MORE (D-Mass.), the leading progressives in the race, have clear ideological differences with Bloomberg.

Sanders also addressed a possible Bloomberg run during a campaign rally in Iowa, suggesting that the businessman was trying to buy an election.

“Tonight we say to Michael Bloomberg and other billionaires: Sorry, you ain’t gonna buy this election,” Sanders said, according to The Washington Post.

Sanders has made combatting inequality and reigning in financial excess among massive corporations a staple of his campaign for president. He often rails against billionaires and what he views as a system that doesn't tax them enough.

Warren, who has echoed many of those talking points, has also taken issue with a possible Bloomberg candidacy.

“The wealthy and well connected are scared,” Warren’s campaign said in an email to supporters as news broke that Bloomberg was considering a run. “They're scared that under a Warren presidency, they would no longer have a government that caters to their every need. So they're doing whatever they can to try to stop Elizabeth and our movement from winning in 2020 and bringing big, structural change in 2021.”

Bloomberg announced in March that he would not seek the 2020 Democratic presidential nomination. At the time, he cautioned the party against choosing a candidate that would “drag the party to an extreme that would diminish our chances in the general election.”