The primary election Tuesday in Ohio set up what is expected to be one of the most expensive races for U.S. Senate this year as Republicans try to hold on to the chamber, while biotech billionaire Vivek Ramaswamy will face a challenge from the state’s former health director as he seeks to keep the governor’s office in GOP hands.

In what promises to be one of November’s most high-profile , former Sen. Sherrod Brown easily defeated a challenger in the Ohio Democratic primary and will now attempt to unseat Republican Sen. Jon Husted.

And in primary elections in Indiana one Republican state senator lost to a challenger backed by President Donald Trump, while another incumbent survived in two of seven races that are testing the president’s influence in a deep red state.

Here is the latest:

Indiana’s Holdman told AP he was ‘at peace’ ahead of poll close

Late Tuesday afternoon, before he’d lost the race to hold onto his state Senate seat, Indiana’s Travis Holdman said the last few months had been “a roller coaster.”

He was cold and wet from the 47-degree rain outside the polling place he had visited, though a voter had just thanked him for having “a spine.”

Holdman’s Trump-back challenger Blake Fiechter had entered the race, quit the race and reentered, all while super PACs backed by Gov. Mike Braun and Sen. Jim Banks unloaded more than $1.3 million in his Fort Wayne area district attacking Holdman after he voted against the White House redistricting plan.

“It’s the emotions of not knowing which way it’s going to go,” he explained, before finishing, “I’m at peace with however it goes.”

Ramaswamy to face Acton for Ohio governor

Billionaire biotech entrepreneur Vivek Ramaswamy has clinched the Republican nomination for Ohio governor and will face off this fall against the state’s COVID-era health director, Democrat Amy Acton.

A newcomer to state politics, Ramaswamy aggressively positioned himself for the job early with the help of endorsements from President Donald Trump and the state Republican Party.

Trump’s endorsement continues to carry weight in Ohio, which favored him three times for president, but Ramaswamy could face headwinds amid the president’s lagging popularity over the war in Iran and the rising cost of living.

Acton, a physician who was unopposed in her primary, has a well-known public profile and robust fundraising.

Husted secures GOP Senate nomination and Acton Democratic governor nomination

U.S. Sen. Jon Husted has secured the Republican Senate nomination in Ohio, as the incumbent braces for what is expected to be an expensive fight to hold his seat.

On the Democrats’ side, Dr. Amy Acton won the party’s nomination for governor. The state’s COVID-era state health director moves on to a likely matchup against Republican billionaire biotech entrepreneur Vivek Ramaswamy, who was facing a challenger in the GOP primary.

Husted and Acton were both unopposed in their primaries.

Polls have closed in Ohio

Today’s vote will decide candidates for the marquee Senate and governor’s races this fall. Anyone in line at 7:30 p.m. has the right to vote.

Challengers in Indiana who haven’t kept up fundraising pace are getting help

Outside groups have spent more than $8 million targeting incumbents in Indiana, in some cases outspending the money those candidates raised on their own.

In state Senate District 23, Trump endorsed Paula Copenhaver against state Sen. Spencer Deery. Deery raised $500,000, according to the latest state filings, while Copenhaver raised about $15,000. However, outside groups spent more than $2 million in ad reservations boosting Copenhaver, according to AdImpact.

In state Senate District 1, Trevor de Vries -- a challenger endorsed by Trump -- raised just over $30,000 as of latest filings, while incumbent Dan Dernulc has raised over $200,000. But AdImpact shows outside groups spending more than $200,000 to help defeat Dernulc.

Polls are now closed in most of Indiana

Polls remain open in 12 counties in northwestern and southwestern Indiana that are in the central time zone.

Trump is watching outcome of state Senate race, Michigan voter says

“I think it might have some bearing on the country, because I know Trump is obviously looking to hold onto the House and Senate and maintain his advantage there, which is pretty razor-thin I think at this point,” said John Hall, a 69-year-old self-described independent who voted for Democrat Chedrick Greene. “So, I’m sure he’s going to be paying close attention to this particular race.”

Hall, a retiree who worked for years at an area radio station, said the economy is a key issue for him. He spent $58 at the gas station before driving to the public library in Bay City to vote.

“It’s taking a bite out of a lot of people’s budgets right now,” Hall said, adding it would have cost between $35 and $40 to fill up his car’s tank two months ago.

Trump goes after Indiana Republicans who voted against redistricting

In a social media post while voters were headed to the polls, Trump said Republican state senators who voted against redistricting “couldn’t care less about our Country, or about keeping the Majority in Congress.”

Trump described the senators who crossed him as RINOs, which means “Republican in name only.” And he hailed “Great Patriots” that he’s endorsed to oust them.

Big spending in Indiana state Senate primary

Groups allied to defeat Indiana state Sen. Spencer Deery will have spent $2 million in ads attacking him by the time polls close. That’s more than any other district where incumbents are trying to fend off Trump-backed challengers.

Deery is completing his first term and was the first Republican senator to publicly oppose redistricting.

Paula Copenhaver is challenging him. She’s a close ally of Republican Lieutenant Gov. Micah Beckwith and is Fountain County GOP chair in rural, western Indiana. Deery beat Copenhaver in a four-way Republican primary for the seat four years ago.

The super PAC run by Indiana U.S. Sen. Jim Banks, Hoosier Leadership PAC, will have spent more than $1.1 million on ads attacking Deery through Election Day, according to the ad-tracking service AdImpact. Gov. Mike Braun’s American Leadership PAC will have spent more than $900,000 doing the same, according to the group.

Deery is on track to have spent more than $745,000 on this year’s primary, far more than last time.

YouTube provocateur Casey Putsch hopes he’s a spoiler in Ohio governor contest

An engineer and vehicle designer who calls himself “The Car Guy,” Putsch is making a long-shot bid for Ohio governor against Republican Vivek Ramaswamy.

After the last-minute disqualification of another candidate’s ticket, the 44-year-old from northwest Ohio ended up as Ramaswamy’s only primary opponent.

Putsch has attracted fans and critics with his provocative YouTube videos, which often — subtly or overtly — take aim at Ramaswamy’s Indian heritage or Hindu faith.

On the campaign trail, he’s also been critical of President Donald Trump, energy guzzling data centers and national Republicans’ support for Israel and handling of the Epstein files.

How Indiana Gov. Mike Braun is helping Trump go after Republicans

Trump is throwing his name behind Republican challengers to GOP senators who opposed redistricting. But Braun is carrying out much of the work.

After Trump’s pledge last year to rally against GOP senators who blocked the effort and are seeking reelection, Braun picked the candidates.

Frustrated by Rodrick Bray, the Senate GOP leader who opposed redistricting, Braun recruited the seven Republicans challengers on the pledge that they oppose Bray for leader.

In his break with party orthodoxy, Braun has also committed $3 million to advertising from his American Leadership PAC attacking those incumbents on the wishes of the president, according statistics collected by the ad-tracking firm AdImpact.

That includes almost $900,000 alone in ads attacking Republican state Sen. Spencer Deery of West Lafayette, the first Republican senator to oppose redistricting and a protege of former GOP Gov. Mitch Daniels, who is an opponent of the redistricting measure.

What happened after Indiana said no to redistricting

The Republican-controlled Indiana Senate in December rejected the measure that would have shaded all nine of the states congressional districts as favorable to the party, and halted progress on the party’s effort nationally.

The move defied months of urging by the White House led by Vice President JD Vance, who traveled twice to Indianapolis and hosted many in the caucus in Washington, where Trump phoned in to address the group.

While Indiana was considering the measure, voters in Democratic-leaning California approved Proposition 50, which allowed the state Legislature to bypass the independent commission to redraw districts for the next three biennial elections.

Republicans think they could win up to nine more seats under revised districts in Texas, Missouri, North Carolina and Ohio. But Democrats think they could win as many as 10 additional seats under new districts in California, Utah and Virginia, though legal challenges remain in both Missouri and Virginia.

Trump’s involvement turned off some voters in Indiana

Emily Bohall Board, 37, an occupational therapist in Columbus, Indiana, said she had never voted in a Republican primary before Tuesday. But the issue of redistricting compelled her to cast a ballot for Sen. Greg Walker.

“Greg Walker is the only option not supported by Donald Trump, and I have been very upset about everything Trump has done,” Board said.

Madison Long, 28, an attorney, who also voted for Walker, criticized Michelle Davis, Walker’s opponent, for her ties to Trump.

“She doesn’t have any promises of her own or any agenda of her own. Her goal is to just follow Trump,” Long said. “I find that extremely concerning given the nature of the nationwide politics.”

What's at stake in the Michigan special election

The race will determine whether Democrats maintain a majority in the state Senate for the final months of the year.

Democrats currently control the state Senate 19-18. If Democrat Chedrick Greene wins, Democrats keep their majority.

If Republican Jason Tunney wins, the Senate would be tied, making it tougher for Democrats to advance Gov. Gretchen Whitmer’s agenda. While Democratic Lt. Gov. Garlin Gilchrist II would serve as the tie-breaking vote, Republicans could effectively block any measure from passing by not having all members vote.

There’s another reason people are watching the race: The swing district in a battleground state could give clues to what will happen in November’s midterms..