Murkowski and Trump-backed Tshibaka advance to Alaska general election, NBC projects - CNBC

Both Trump and Alaska's Republican Party have endorsed Tshibaka over the incumbent Murkowski for the Senate seat.

Trump had strongly criticized Murkowski while he was president, saying in 2018 that she would "never recover" after she voted against his second Supreme Court nominee, Brett Kavanaugh.

Trump, the de facto leader of the Republican Party, vowed to campaign against Murkowski after she joined six other Republican senators in voting to convict Trump for inciting the Jan.