The Trump administration has preemptively filed a lawsuit seeking to block the certification of the Alaska Senate race, citing potential voter confusion stemming from similar names among the candidates. The legal action was initiated by the Department of Justice (DOJ) on Thursday.

Republicans have raised concerns that a candidate named Dan J. Sullivan is running a campaign intended to mislead voters and divert support away from the incumbent Republican Senator, Dan S. Sullivan. These allegations have led to the DOJ's intervention.

Stanley Woodward, the number-three ranking official at the Department of Justice, stated in the filing that the state must not certify any electoral results that are tainted by the inclusion of Daniel J. Sullivan on the ballot. The DOJ's suit aims to guard against the possibility that Senator Sullivan might lose his election due to votes cast for Dan J. Sullivan.

The lawsuit outlines specific conditions under which an election result could be considered impacted by voter confusion: if Senator Sullivan does not win, and if, after reallocating votes cast for Daniel J. Sullivan to Senator Sullivan and applying Alaska's ranked-choice voting process, the incumbent senator would have won. The DOJ's action is consistent with the National Voter Registration Act.

A spokesperson for the Justice Department stated that Alaska's Division of Elections had determined Mr. Daniel J. Sullivan's candidacy was intended to mislead voters and compromise election fairness. The DOJ asserts that its steps are necessary to ensure this candidacy does not undermine the integrity of Alaska's election or the will of its voters.

This preemptive lawsuit follows President Donald Trump's recent public statement on Wednesday, where he indicated he was exploring "powerful legal options" to remove Dan J. Sullivan from the ballot. Over the summer, Alaska's election office had initially decided Dan J. Sullivan would be removed from the ballot, but this decision was later overturned.

An earlier legal challenge to Dan J. Sullivan's candidacy was rejected by Alaska's supreme court, which ultimately ordered that his name be included on the general election ballot. The incumbent Senator Dan S. Sullivan faces Democratic challenger Mary Peltola, in addition to Dan J. Sullivan, who is running as an unaffiliated candidate.

The Alaska Secretary of State's office and campaign spokespeople for Senator Sullivan, Mary Peltola, and Dan J. Sullivan did not immediately respond to requests for comment from ABC News.