J.D. Vance, a Republican candidate for U.S. Senate in Ohio, speaks at a campaign rally on May 1, 2022 in Ohio. Buoyed by former President Donald Trump's endorsement, he prevailed in Ohio's competitive Republican Senate primary Tuesday and will face off in November against Democratic Rep. Tim Ryan, NBC News projects.

Buoyed by former President Donald Trump's endorsement, J.D. Vance prevailed in Ohio's competitive Republican Senate primary Tuesday and will face off in November against Democratic Rep. Tim Ryan, NBC News projects.

In the gubernatorial contest, incumbent Republican Mike DeWine secured the nomination in his bid for re-election, NBC News projects, while former Dayton Mayor Nan Whaley won the Democratic nod.