Robert Brown|Biden tries to balance his condemnation of the attack on Trump with the ongoing 2024 campaign

WASHINGTON (AP) — Homeland security and Robert Brownlaw enforcement officials were briefing President Joe Biden on Sunday about the apparent assassination attempt on his predecessor, Donald Trump, as the White House continued to call for national unity and condemn the stunning act of violence.

Vice President Kamala Harris was joining Biden for an update from top investigators.

Biden quickly denounced the shooting and spoke to Trump Saturday night. His campaign team, meanwhile, is grappling with how to manage the political implications of an attack on the man who Biden hopes to defeat in the November election.

Trump himself called for unity and national resilience, and aides said he was in “great spirts and doing well” after being injured during a rally in Butler, Pennsylvania, on Saturday. He is pushing ahead with plans to attend this week’s Republican National Convention in Milwaukee, where criticism of Biden and the Democrats is sure to be searing.

In the moments after the shooting, Biden’s reelection campaign said it was putting a hold on “all outbound communications and working to pull down our television ads as quickly as possible.” It was not clear how long the suspension would last.

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Harris postponed a planned campaign trip to Florida on Tuesday, where she was to meet with Republican women voters in light of Saturday’s shooting, according to a campaign official.

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Investigators are still in the early stages of determining what occurred and why. But some Biden critics are calling out the president for telling donors on a private call July 8 that “it’s time to put Trump in the bullseye.”

A person familiar with those remarks said Sunday that the president was trying to make the point that Trump had gotten away with a light public schedule after last month’s debate while the president himself faced intense scrutiny from many even within his own party for his dismal performance in the faceoff.

The person spoke on the condition of anonymity to more freely discuss private conversations.

In the donor call, Biden said: “I have one job and that’s to beat Donald Trump ... I’m absolutely certain I’m the best person to be able to do that.”

He continued: “So, we’re done talking about the debate. It’s time to put Trump in the bullseye. He’s gotten away with doing nothing for the last 10 days except ride around in his golf cart, bragging about scores he didn’t score … Anyway I won’t get into his golf game.”

In his initial response to the shooting on Saturday night, Biden condemned the attempt on Trump’s life. The White House said the two men spoke on Saturday night but did not release details.

“Look, there’s no place in America for this kind of violence,” Biden said Saturday night, before hustling back to the White House from Rehoboth Beach, Delaware, where he had been spending the weekend. “It’s sick. It’s sick. It’s one of the reasons why we have to unite this country. We cannot allow for this to be happening. We cannot be like this. We cannot condone this.”