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Bloomberg surges past Warren into third place in new national poll

Former New York City Mayor Michael BloombergMichael BloombergThe imminent crises facing Joe Biden Yang: 'Defund the police is the wrong approach for New York City' New York mayoral candidates go viral for vastly underestimating housing costs MORE surged past Sen. Elizabeth WarrenElizabeth WarrenSenators shed masks after CDC lifts mandate Helping students make informed decisions on college Student debt cancellation advocates encouraged by Biden, others remain skeptical MORE (D-Mass.) in the latest nationwide Hill-HarrisX poll, putting him in third place in the field of Democratic presidential candidates.

The survey, released Thursday, showed Bloomberg’s support ticking up 4 percentage points to 11 percent from from a Jan. 13-14 poll. Warren dropped 2 points, to 9 percent.

Other candidates registering in the single digits included former South Bend, Ind., Mayor Pete ButtigiegPete ButtigiegInfrastructure deal imperiled by differences on financing Biden says he and GOP both 'sincere about' seeking infrastructure compromise The Hill's 12:30 Report - Presented by Facebook - Colonial pays hackers as service is restored MORE, at 5 percent, and businessman Andrew YangAndrew YangJeffries endorses Wiley in New York mayor's race Yang: 'Defund the police is the wrong approach for New York City' HuffPost's Daniel Marans discusses fallout from Yang's comments on Israel MORE and billionaire Tom SteyerTom SteyerTop 12 political donors accounted for almost 1 of every 13 dollars raised since 2009: study California Democrats weigh their recall options Why we should be leery of companies entering political fray MORE, who each received 4 percent. The rest of the White House hopefuls polled at 2 percent or less.

Warren has struggled to rebound nationally after peaking at 19 percent support in October.

But Warren isn’t the only top-tier candidate to slide in the polls ahead of Monday's Iowa caucuses. Progressive rival Sen. Bernie SandersBernie SandersSenators shed masks after CDC lifts mandate Sunrise Movement endorses Nina Turner in special election for Ohio House seat The Hill's Morning Report - Presented by Facebook - Israel-Hamas carnage worsens; Dems face SALT dilemma MORE (I-Vt.) dropped 2 points, to 17 percent.

Former Vice President Joe BidenJoe BidenBiden's quiet diplomacy under pressure as Israel-Hamas fighting intensifies Overnight Defense: Administration approves 5M arms sale to Israel | Biden backs ceasefire in call with Netanyahu | Military sexual assault reform push reaches turning point CDC mask update sparks confusion, opposition MORE, meanwhile, maintained a double-digit lead over the field, with 29 percent support.

Both Biden and Sanders are locked in a tight race in Iowa. An Emerson poll released Sunday found the Vermont senator in the top spot in the Hawkeye State with 30 percent support, followed by Biden's 21 percent. A New York Times/Siena College poll released the day before also showed Sanders in the lead with 25 percent support to Biden’s 17 percent.

The Hill-HarrisX survey was conducted among 878 respondents from Jan. 20-22. It has a margin of error of plus or minus 3.3 percentage points.

—Tess Bonn