Almost 90 percent of the first round of write-in ballots counted in Alaska on Wednesday were unchallenged votes for Sen. Lisa MurkowskiLisa Ann MurkowskiHillicon Valley: Facebook removes Trump post | TikTok gets competitor | Lawmakers raise grid safety concerns OVERNIGHT ENERGY: Court cancels shutdown of Dakota Access Pipeline | US could avoid 4.5M early deaths by fighting climate change, study finds | Officials warn of increasing cyber threats to critical infrastructure during pandemic Officials warn of increasing cyber threats to critical infrastructure during pandemic MORE (R).

Repubican challenger Joe Miller's campaign observers challenged 8.5 percent of the ballots, but were only successfully in setting aside 1.44 percent of the 19,203 write-in votes counted, according to the Anchorage Daily News.

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Murkowski took 98 percent of the first round of write-in ballots counted.

"So far things look really good for us," Kevin Sweeney, Murkowski's campaign manager, told the paper.

Division of Elections Director Gail Fenumiai said she was seeing "a lot" of such apparently properly filled-out write-in ballots being challenged, although she agreed with challenges by the Miller campaign to ballots with spellings like "McCosky," "Misskowski" and "Morcowski."

Miller's camp denied it wants to challenge properly filled-out ballots.

"The point of this is to make sure the rules, and the law, are followed, so that the winner of this election will be elected fairly and, in the eyes of the public, legitimately," Miller lawyer Thomas Van Flein said in a statement.

According to the Daily News, 164 write-in votes were cast for other candidates. Two wrote in Joe Miller and one wrote in Scott McAdams, the Democratic nominee, despite the fact their names were on the ballot.

One voter wrote in Nancy Murkowski, Lisa's mother, and another wrote in Frank Murkowski, her father.

The Miller camp has a lawsuit pending that asks the federal courts to force the state to toss out misspelled ballots. Counting isn't being stopped while the lawsuit pends, which may make the case irrelevant if Murkowski continues to be awarded unchallenged votes.