Outgoing Sen. Jeff Flake Jeffrey (Jeff) Lane FlakeJeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Republican former Michigan governor says he's voting for Biden Maybe they just don't like cowboys: The president is successful, some just don't like his style MORE (R-Ariz.) on Friday dismissed President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE's accusation that "electoral corruption" is taking place in Arizona.

"There is no evidence of 'electoral corruption' in Arizona, Mr. President," Flake tweeted. "Thousands of dedicated Arizonans work in a non-partisan fashion every election cycle to ensure that every vote is counted. We appreciate their service."

There is no evidence of "electoral corruption" in Arizona, Mr. President. Thousands of dedicated Arizonans work in a non-partisan fashion every election cycle to ensure that every vote is counted. We appreciate their service. https://t.co/Xtd5Vd0gSu — Jeff Flake (@JeffFlake) November 9, 2018

His comments came hours after Trump criticized the vote count effort in Arizona, as officials continue to tally votes in the Senate race between Reps. Kyrsten Sinema (D) and Martha McSally Martha Elizabeth McSallyTumultuous court battle upends fight for Senate Grassley, Ernst pledge to 'evaluate' Trump's Supreme Court nominee The Hill's Campaign Report: Biden goes on offense MORE (R).

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As of Friday night, Sinema led McSally by a total of 20,203 votes in the closely watched race to replace Flake, who is retiring after this year.

The Arizona Senate battle has seen controversy, with a judge on Thursday rejecting the GOP's attempt to challenge Arizona's mail-in ballot counting procedures.

The lawsuit was related to reports that some county recorders have been calling voters who submitted mail-in ballots with signatures that don’t match in an effort to verify them. The GOP alleged in the lawsuit that such a practice is illegal.

A settlement on Friday was reached allowing rural voters extra time to correct issues with their ballots, according to The Associated Press.

Counties now have a Nov. 14 deadline to make fixes to problematic mail-in ballots.