Sen. Jeff Flake Jeffrey (Jeff) Lane FlakeHow fast population growth made Arizona a swing state Jeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Republican former Michigan governor says he's voting for Biden MORE (R-Ariz.) on Sunday said he is "not comfortable voting yes" on Supreme Court nominee Brett Kavanaugh until the Senate Judiciary Committee learns more about the sexual assault allegation against him.

"We need to hear from her," Flake told Politico hours after Kavanaugh's accuser identified herself publicly. "And I don't think I'm alone in this."

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Flake told The Washington Post that he does not believe the Judiciary Committee should move ahead with its Thursday vote on Kavanaugh until the senators hear more from Christine Blasey Ford, the California psychology professor who went public with her accusation against Kavanaugh in a Post article published on Sunday.

Flake's spokesperson did not immediately respond to The Hill's request for comment.

"For me, we can’t vote until we hear more," Flake, a member of the Senate Judiciary Committee, told the Post.

Flake, who is retiring in January, has displayed increasing willingness to break with his party in recent months. He is a frequent and outspoken critic of President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE.