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.) is dismissing a recent Quinnipiac University survey showing her support drop 14 points nationally.

“It’s the same answer it’s always been. I don’t do polls," Warren told reporters in Knoxville, Iowa, on Tuesday evening. “I’m out here fighting every day on behalf of working families."

The survey released on Tuesday showed Warren dropping to third place nationally with 14 percent support, behind 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, who garnered 24 percent support and 16 percent support, respectively.

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Weeks ago, Warren appeared to be closing in on Biden's front-runner status in the Democratic field but has since seen her support slip as Biden holds his ground and Buttigieg rises.

The Massachusetts senator also saw a decline in support in a national CNN poll released on Wednesday, dipping from 19 percent to 14 percent support.

Biden also saw a drop in support in the CNN poll, from 34 percent to 28 percent.

The same survey showed Buttigieg climbing from 6 percent in the network's last national poll in October to 11 percent.

The South Bend mayor has also made gains in Iowa and New Hampshire polling, carving out a four-way race between him, Biden, Warren and 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.) in the nation's first two votes in the primary contest.

Buttigieg has recently worked to present himself as the centrist alternative to Warren and Sanders, frequently attacking the "Medicare for All" plan and other progressive policies.