Sullivan wins Alaska Senate GOP primary

Sullivan wins Alaska Senate GOP primary
© Bonnie Cash

Sen. Dan SullivanDaniel Scott SullivanSenators vet Buttigieg to run Transportation Department McConnell about to school Trump on political power for the last time Senate poised to override Trump's defense bill veto MORE (Alaska) won the state's GOP Senate primary Tuesday as he seeks a second term.

Sullivan, who ran unopposed in the race, faces a challenge heading into November from Al Gross, an independent who has won the backing of Democrats.

Sullivan won his first Senate term in 2014 after unseating then-Sen. Mark BegichMark Peter BegichAlaska Senate race sees cash surge in final stretch Alaska group backing independent candidate appears linked to Democrats Sullivan wins Alaska Senate GOP primary MORE (D) by just over 3 points. The Cook Political Report rates the Alaska Senate race as likely Republican.