Former Libertarian presidential candidate Gary Johnson Gary Earl JohnsonWhat the numbers say about Trump's chances at reelection Presidential race tightens in Minnesota as Trump plows resources into state The Hill's Campaign Report: Biden condemns violence, blames Trump for fomenting it l Bitter Mass. primaries reach the end l Super PAC spending set to explode MORE is considering mounting a bid for the Senate in New Mexico, a consultant for the former governor told The Associated Press.

Consultant Ron Nielson said that Johnson is "strongly considering" a run for the Senate on the Libertarian ticket if party's current candidate, Aubrey Dunn, drops out of the race.

"He is weighing it over right now," he said. "He doesn't want to get into a race he can't win."

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Dunn's son, Blair Dunn, told the AP that his father was planning to exit the Senate race in New Mexico, and that more details on the decision would come on Monday.

Sen. Martin Heinrich Martin Trevor HeinrichSenate Democrats demand White House fire controversial head of public lands agency Senate Democrats seek removal of controversial public lands head after nomination withdrawal Five takeaways from final Senate Intel Russia report MORE (D-N.M.) is seeking reelection for another six-year term. He is facing a challenge from Republican Mick Rich.

Heinrich is widely expected to hold on to his seat. 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 beat 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 by an 8-point margin there in 2016, and the Cook Political Report currently ranks the Senate race as a solid Democratic win.

But a challenge from Johnson could make the race more competitive. He served as New Mexico governor from 1995 until 2003. In 2016, he captured just over 9 percent of the vote in the state.