Live results: Oklahoma midterm primaries

Oklahoma is holding midterm primaries to fill several open seats caused by retirements and appointments. Rep. Kevin Hern, endorsed by President Trump, is positioned to win the GOP Senate primary following Markwayne Mullin's appointment to lead the Department of Homeland Security. Simultaneously, Republicans are competing to succeed Hern in the House. Additionally, voters are deciding the GOP nomination for governor to replace Kevin Stitt, with candidates including Trump-endorsed Mike Mazzei and Gentner Drummond.