Voters cast their ballots at a polling location inside the Burton Barr Central Library in Phoenix, Arizona, U.S., on Tuesday, Aug. 27, 2018. The Arizona primary is taking place just three days after the death of the state's senior senator, John McCain, a towering figure in U.S. politics for decades. Photographer: Caitlin O'Hara/Bloomberg via Getty Images
Live Arizona primary election results: House, Senate and Governor races
Arizona is holding primaries Tuesday for governor, the Senate seat being vacated by retiring Republican Rep. Jeff Flake, and several House seats. The Senate race to replace Flake, a vocal Trump critic, is one of the more closely-watched races of the 2018 midterms.