MIDDLETOWN, Ohio  — Republican vice presidential nominee JD Vance made his first solo campaign appearance a day after the White House race was thrown into upheaval when President Joe Biden dropped out.

The Ohio senator held a rally Monday at his former high school in Middletown, his hometown, where he played up his local ties, praised running mate Donald Trump and attacked Democratic Vice President Kamala Harris, who’s now backed by more than half of the delegates needed to win her party’s nomination vote, according to an Associated Press survey.

“I was told I was going to debate Kamala Harris and now President Trump’s going to get to debate her,” Vance said to laughs. “I’m kind of pissed off about that, if I’m being honest with you.”

Vance tried to deflect the criticism that Trump, who has refused to accept his 2020 loss to Biden and tried to overturn the results, is a threat to democracy. The senator claimed that the real threat came from the push by “elite Democrats” who “decided to throw Joe Biden overboard” and then have the party line up behind a replacement without primary contests.

Vance also seemed to question Harris’ patriotism, saying that when she gives a speech, “she talks about the history of this country not with appreciation but with condemnation.”

He added: “Not everything’s perfect. It’s never going to be. But you, if you want to lead this country, you should feel grateful for it. You should feel a sense of gratitude. And I never hear that gratitude come through when I listen to Kamala Harris.”

Vance gave no examples to support his assessment.

While Republicans promoted a unifying message last week and decried inflammatory language in the wake of the assassination attempt against Trump, one of the first speakers to introduce Vance at the rally suggested the country may need to come to civil war if Trump loses in November.

“I believe wholeheartedly, Donald Trump and Butler County’s JD Vance are the last chance to save our country,” said George Lang, a Republican state senator. “Politically, I’m afraid if we lose this one, it’s going to take a civil war to save the country and it will be saved. It’s the greatest experiment in the history of mankind.”

Lang later apologized after Harris’ team highlighted his remarks on a post on X.

“I regret the divisive remarks in the excitement of the moment on stage,” he said on the same social network. “Especially in light of the assassination attempt on President Trump last week, we should all be mindful of what is said at political events, myself included.”