Rep. Debbie Lesko's retirement has sparked a competitive Republican primary in Arizona's 8th Congressional District, with candidates including Blake Masters and Abe Hamadeh, both backed by Donald Trump. In District 6, freshman Rep. Juan Ciscomani faces a nominal challenge while Democrat Kirsten Engel, who narrowly lost to him in 2022, is uncontested in her primary. Meanwhile, Arizona's annual Ranking Arizona voting is nearing its deadline, allowing residents to vote for the best businesses in the state before July 31, 2024. The Justice Department is set to monitor the compliance with federal voting laws during the primary elections taking place on July 30, 2024, ensuring citizens' access to the ballot. Polls are open from 6 a.m. and updates on voting conditions are being reported. As the primary election unfolds, various factors will influence the expected vote counts, which will be closely monitored by NBC News.