Former Virginia Gov. Terry McAuliffe (D) ripped into President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE on Sunday, suggesting he should be impeached over his behavior at a summit with Russian President Vladimir Putin earlier this summer in Helsinki.

Trump should “stop bear-hugging Putin,” McAuliffe told CNN’s Jake Tapper on "State of the Union."

Trump was widely criticized by both Republicans and Democrats for siding with Putin at a news conference over U.S. intelligence experts on the issue of Russian election meddling.

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McAuliffe, a former Democratic National Committee chairman who held top spots in Bill Clinton William (Bill) Jefferson ClintonAnxious Democrats amp up pressure for vote on COVID-19 aid Barr's Russia investigator has put some focus on Clinton Foundation: report Epstein podcast host says he affiliated with elites from 'both sides of the aisle' MORE and Hillary Clinton Hillary Diane Rodham ClintonFox News poll: Biden ahead of Trump in Nevada, Pennsylvania and Ohio Trump, Biden court Black business owners in final election sprint The power of incumbency: How Trump is using the Oval Office to win reelection MORE's presidential campaigns, began attacking Trump for his comments hours after he made them, tweeting that the president had “violated his oath to preserve, protect and defend...against all enemies foreign and domestic.”

On Sunday, McAuliffe said that impeachment for Trump’s behavior at Helsinki is “something we oughta look at.”

“Imagine this, that President Clinton or President Obama had travelled to Helsinki and done what Trump had done, you would already have impeachment trials,” McAuliffe told Tapper.

Putin “is a foe he fights us every single day. We’re battling him all over the globe,” McAuliffe said.

“They’re undermining our country.”