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Warren gains on Sanders, Biden in new national poll

Sen. Elizabeth WarrenElizabeth WarrenOVERNIGHT ENERGY: Biden's Interior Department temporarily blocks new drilling on public lands | Group of GOP senators seeks to block Biden moves on Paris, Keystone | Judge grants preliminary approval for 0M Flint water crisis settlement Senate approves waiver for Biden's Pentagon nominee House approves waiver for Biden's Pentagon nominee MORE (D-Mass.) is gaining ground on top-tier White House contenders Sen. Bernie SandersBernie SandersFormer Sanders spokesperson: Biden 'backing away' from 'populist offerings' Amanda Gorman captures national interest after inauguration performance Woman who made Sanders's mittens says she's sold out MORE (I-Vt.) and former Vice President Joe BidenJoe BidenRev. Barber says best way to undercut extremism is with honesty Biden requires international travelers to quarantine upon arrival to US Overnight Defense: House approves waiver for Biden's Pentagon nominee | Biden to seek five-year extension of key arms control pact with Russia | Two more US service members killed by COVID-19 MORE, according to a new Hill-HarrisX survey.

The survey released on Tuesday still shows Warren in third place, but she has ticked up four points over the past two weeks to 14 percent support among likely Democratic and independent voters.

Biden, meanwhile, held onto the top spot with 30 percent, but is down 1 percentage point. Sanders placed second at 17 percent and is up 1 point from the Aug. 9-10 poll.

Sen. Kamala HarrisKamala HarrisHarris takes up temporary residence at Blair House Amanda Gorman captures national interest after inauguration performance Democrats formally elect Harrison as new DNC chair MORE (D-Calif.) tied with South Bend, Ind., Mayor Pete ButtigiegPete ButtigiegBiden signs order to require masks on planes and public transportation Senators vet Buttigieg to run Transportation Department The Hill's 12:30 Report: Biden hits the ground running on COVID MORE for fourth place, with each receiving 4 percent support. 

Former Rep. Beto O’Rourke (D-Texas) rounded out the top five at 3 percent, a 1 point decrease compared to the previous poll.

Sen. Cory BookerCory BookerSenate confirms Biden's intel chief, giving him first Cabinet official Booker brings girlfriend, actress Rosario Dawson, to inauguration Officials brace for second Trump impeachment trial MORE (N.J.), tech entrepreneur Andrew YangAndrew YangYang to quarantine after campaign staffer tests positive for COVID-19 Andrew Yang sparks Twitter uproar with pro-bodega video Yang announces run for New York City mayor MORE and Montana Gov. Steve BullockSteve BullockBiden's identity politics do a disservice to his nominees Senate Democrat: Party's message to rural voters is 'really flawed' Ducey to lead Republican governors MORE (D) were the only other candidates that polled above 1 percent in the poll. 

The latest results come amid signs that Sanders and Warren are cutting into Biden's lead over the Democratic contenders for the White House, though the former vice president remains the front-runner.

The Hill-HarrisX poll surveyed 465 Democratic and independent registered voters between Aug. 23 and Aug. 24 with a margin of error of plus or minus 4.6 percentage points.

—Tess Bonn