Trump news at a glance: president pushes Republicans to back big bill as analysis says it will add extra $3.3tn in debt | Trump administration

Senate opens debate on Trump’s bill estimated to add $3.3tn to US debt

The US Senate opened debate on Donald Trump’s sprawling domestic policy legislation on Sunday, the package of tax cuts, increased spending on immigration enforcement and drastic reductions in funding for healthcare and nutrition assistance that the president calls his “big beautiful bill”. Formal debate on the measure began after Democrats forced Senate clerks to read the entire 940-page bill aloud, to underscore their argument that the public is largely unaware of what the package contains and to delay a final vote until Monday.

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Thom Tillis won’t seek re-election after clash with Trump over bill

Republican Thom Tillis said he would not run for re-election to the US Senate next year, a day after the North Carolina senator’s vote against Trump’s signature piece of domestic legislation prompted the president to launch a barrage of threats and insults – as well as promise to support a primary challenger to defeat him in their party’s 2026 primary. Tillis said: “In Washington over the last few years, it’s become increasingly evident that leaders who are willing to embrace bipartisanship, compromise, and demonstrate independent thinking are becoming an endangered species.”

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Trump sent ‘explicit’ threat to cut funds from University of Virginia, senator says

The University of Virginia received “explicit” notification from the Trump administration that the school would endure cuts to university jobs, research funding and student aid as well as visas if the institution’s president, Jim Ryan, did not resign, according to a US senator. In an interview with CBS, Virginia Democrat Mark Warner defended Ryan – who has championed diversity policies that the president opposes – and predicted Trump would similarly target other universities.

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Trump considers forcing journalists to reveal sources who leaked Iran report

Donald Trump said he was weighing forcing journalists who published leaked details from a US intelligence report assessing the impact of the recent American military strikes on Iran to reveal their sources. The president also claimed his administration may prosecute those reporters and sources if they don’t comply. In a Fox News interview Trump doubled down on his claim that the 21 June airstrikes crippled Iran’s nuclear program and dismissed the leaked intelligence assessment in question – which suggested the strikes only temporarily disrupted Iran’s nuclear development – as incomplete and biased.

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Trump threatens to cut off New York City funds if Mamdani ‘doesn’t behave’

The president threatened to block New York City from receiving federal funds if favoured mayoral candidate Zohran Mamdani, a Democratic socialist, “doesn’t behave himself” should he be elected. Mamdani, meanwhile, denied that he was – as the president claimed – a communist. But he reaffirmed his commitment to raise taxes on the wealthiest New Yorkers while saying: “I don’t think that we should have billionaires.”

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What else happened today:

• Blood-sucking ticks that trigger a bizarre allergy to meat in the people they bite are exploding in number and spreading across the US, to the extent that they could cover the entire eastern half of the country and infect millions of people, experts warn.

• Iran’s ambassador to the UN said the Islamic republic’s nuclear enrichment “will never stop” because it is permitted for “peaceful energy” purposes under the treaty on the non-proliferation of nuclear weapons. “The enrichment is our right,” Iravani told CBS News.