An Iowa Senate special election is drawing national attention after Democrat Catelin Drey's victory , which ends a three-year Republican supermajority in the state's upper chamber.

Drey's win gives Democrats 17 seats in the 50-member Senate. Republicans, who hold 33 seats, now need at least one Democratic vote to confirm Gov. Kim Reynolds' nominees to state agencies, boards, and commissions during the last year of her term.

Drey won with 55% of the vote to Republican Christopher Prosch's 44%, according to unofficial results from the Woodbury County Auditor's Office .

Drey fills the vacant seat for Iowa Senate District 1 following the death of Republican Sen. Rocky De Witt in June from pancreatic cancer.

Democratic leader: Iowa special election 'should send a flashing warning t

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