Election 2024 Arizona Senate

Rep. Ruben Gallego, D-Ariz., is seen in the U.S. Capitol, July 14, 2022, in Washington. Gallego says he’ll challenge independent U.S. Sen. Kyrsten Sinema of Arizona in 2024. Monday's announcement makes Gallego the first candidate to jump into the race in the battleground state and sets up a potential three-way contest. No Republican has currently announced a run.