Kari Lake Wins Senate Primary to Face Ruben Gallego in November

Kari Lake won the Republican primary for U.S. Senate in Arizona on Tuesday, according to The Associated Press, setting up a high-stakes contest in the fall for the seat of Senator Kyrsten Sinema, who is retiring.

Her victory over Mark Lamb, the Pinal County sheriff, continues her three-year transformation into a fierce pro-Trump firebrand. A former news anchor, she will now face Representative Ruben Gallego, a Phoenix-area former Marine who had no opposition in the Democratic primary.

“Thank you for putting your faith in me, Arizona,” Ms. Lake wrote on X. “I won’t let you down.”

Ms. Lake and Mr. Gallego have already spent months attacking each other. The race has been essentially set — Mr. Lamb’s spoiler potential was the only question mark — since March, when Ms. Sinema, who left the Democratic Party in 2022 to become an independent, declared that she would not seek re-election.

Running in a border state, Ms. Lake has accused Mr. Gallego of being a far-left radical and favoring loose restrictions on immigration, while Mr. Gallego has blasted Ms. Lake for her shifting stance on abortion rights and for continuing to make baseless claims of election fraud. On Monday, he committed to debating Ms. Lake, while she expressed doubt about the debate host — the state Clean Elections Commission — but told reporters “our teams can discuss a fair place, a fair platform to do that.”

After her victory, Mr. Gallego assailed her again, saying in a statement that he welcomed Arizonans “to join our team and help defeat Kari Lake and her dangerous plan to ban abortion and hurt Arizonans.”

Both candidates face questions about their ability to pull in independent voters and moderates heading into November, though Mr. Gallego has maintained a