Donald Trump has been urged to fire US Secretary of Defence Pete Hegseth following the leak of highly sensitive war plans – as national security adviser Mike Waltz said he took “full responsibility” for organising the group chat.
The conversation on the messaging app Signal between US officials, including vice presidentJD Vance and Mr Hegseth, was leaked to American journalist Jeffrey Goldberg, who was added to the chat in error.
Mr Waltz –who had mistakenly added Mr Goldberg to the Signal discussion – said: “I take full responsibility…I built the group.”
Democratic congressman Hakeem Jeffries, minority leader of the US House of Representatives, described Mr Hegseth as “the most unqualified Secretary of Defence in American history” and called for him to be sacked.
“His continued presence in the top position of leadership at the Pentagon threatens the nation’s security and puts our brave men and women in uniform throughout the world in danger,” he wrote.
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“His behaviour shocks the conscience, risked American lives and likely violated the law.
“Secretary of Defence Pete Hegseth should be fired immediately.”
Image: The president has defended national security adviser Mike Waltz. Pic: Reuters
Speaking from the White House, Mr Trump downplayed the incident and said he believed the chat contained “no classified information”.
“They were using an app, as I understand it, that a lot of people in government use, a lot of people in the media use,” he told reporters.
Trump expressed support for Mr Waltz, telling NBC News his national security adviser “has learned a lesson, and he’s a good man”.
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How serious is US chat breach?
The US president said officials would “probably” not use Signal any longer but did not agree to a full investigation of what Democrats have called a major security breach which required high-level resignations.
Included in the conversation on Signal were Mr Vance, Secretary of State Marco Rubio and Mr Hegseth.
Director of National Intelligence Tulsi Gabbard and CIA director John Ratcliffe – who were both also in the chat – testified before the Senate Intelligence Committee on Tuesday that no classified material was shared.
Image: Tulsi Gabbard and John Ratcliffe were under pressure as the Senate Intelligence Committee challenged them about the leak. Pic: Reuters
But Democratic senators have voiced scepticism, noting that the journalist, The Atlantic editor-in-chief Jeffrey Goldberg, reported Mr Hegseth posted operational details “including information about targets, weapons the US would be deploying, and attack sequencing”.
Republican majority leader, John Thune, said on Tuesday he expected the Senate Armed Services Committee to look into Trump administration officials’ use of Signal.
Meanwhile, the White House has mostly attacked the journalist responsible for the original story instead of admitting culpability. The integrity of Mr Goldberg has been repeatedly called into question.
Posting on X, White House press secretary Karoline Leavitt accused Mr Goldberg of sensationalising the story, and White House communications director Steven Cheung called the media coverage of the security breach a “witch hunt”.
If a British defence minister was found to have shared details about a live military operation in an unofficial messaging group with colleagues, they would be sacked.
That President Donald Trump has tried to dismiss the revelation that his top defence and security team not only did just that but accidentally included a journalist in the chat will be watched with deepening horror by US allies and growing glee by American enemies.
In public, the UK government is still insisting security ties with the US are as strong as ever.
But in private there will doubtless be horror – though perhaps not surprise – within Whitehall at this extraordinary lapse in the most basic operational security by the president’s national security adviser, defence secretary, national intelligence chief and even the boss of the CIA.
Any information about plans to – for example – launch bombing raids against Iranian-backed Houthi militants in Yemen would ordinarily only be shared on specially designated government systems that ensure classified information is secure.
The fact that Mike Waltz, the national security adviser, felt it was acceptable to set up a group on the commercial messaging app Signal – which does provide encryption but is only as secure as the device that it is being used on (so not secure at all if a mobile phone or laptop is compromised) – to discuss plans to attack the Houthis is bad enough.
The Atlantic has hit back, dismissing those claims. “Attempts to disparage and discredit The Atlantic, our editor, and our reporting follow an obvious playbook by elected officials and others in power who are hostile to journalists and the First Amendment rights of all Americans,” it said in a statement.
Mr Hegseth told reporters on Monday no one had texted war plans – prompting Mr Goldberg to call those comments a lie during an interview on CNN.
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It remains unclear why the officials chose to chat via Signal instead of secure government channels typically used for sensitive discussions.
The Pentagon reportedly warned of a known vulnerability on the Signal chat app, in an email sent out prior to the publication of The Atlantic article, according to reports by Sky News’ US partner network NBC News.
The email reported: “Russia-aligned threat groups are actively targeting the Signal Messenger application of individuals likely to exchange sensitive military and government communications related to the war in Ukraine”.
Employees were told the vulnerability could be mitigated by updating to the latest version of the app and applying proper settings.
Donald Trump has criticised Vladimir Putin and suggested a shift in his stance towards the Russian president after a meeting with Volodymyr Zelenskyy before the Pope’s funeral.
The Ukrainian president said the one-on-one talks could prove to be “historic” after pictures showed him sitting opposite Mr Trump, around two feet apart, in the large marble hall inside St Peter’s Basilica.
The US president said he doubted his Russian counterpart’s willingness to end the war after leaving Rome after the funeral of Pope Francis at the Vatican.
In a post on his Truth Social platform, he said “there was no reason” for the Russian president “to be shooting missiles into civilian areas, cities and towns, over the last few days”.
Image: The two leaders held talks before attending the Pope’s funeral
He added: “It makes me think that maybe he doesn’t want to stop the war, he’s just tapping me along, and has to be dealt with differently, through ‘Banking’ or ‘Secondary Sanctions?’ Too many people are dying!!!”
The meeting between the US and Ukrainian leaders was their first face-to-face encounter since a very public row in the Oval Office in February.
Mr Zelenskyy said he had a good meeting with Mr Trump in which they talked about the defence of the Ukrainian people, a full and unconditional ceasefire, and a durable and lasting peace that would prevent the war restarting.
Other images released by the Ukrainian president’s office show Sir Keir Starmer and French President Emmanuel Macron were present for part of the talks, which were described as “positive” by the French presidency.
Mr Zelenskyy‘s spokesman said the meeting lasted for around 15 minutes and he and Mr Trump had agreed to hold further discussions later on Saturday.
Image: The world leaders shared a moment before the service
Image: Donald Trump and Volodymyr Zelenskyy meet in the Basilica
But the US president left Rome for Washington on Air Force One soon after the funeral without any other talks having taken place.
The Ukrainian president’s office said there was no second meeting in Rome because of the tight schedule of both leaders, although he had separate discussions with Mr Starmer and Mr Macron.
The French president said in a post on X “Ukraine is ready for an unconditional ceasefire” and that a so-called coalition of the willing, led by the UK and France, would continue working to achieve a lasting peace.
There was applause from some of the other world leaders in attendance at the Vatican when Mr Zelenskyy walked out of St Peter’s Basilica after stopping in front of the pontiff’s coffin to pay his respects.
Image: Donald Trump and the Ukrainian president met for the first time since their Oval Office row. Pic: Reuters
Sir Tony Brenton, the former British ambassador to Russia, said the event presents diplomatic opportunities, including the “biggest possible meeting” between Mr Trump and the Ukrainian leader.
He told Sky News it could mark “an important step” in starting the peace process between Russia and Ukraine.
Professor Father Francesco Giordano told Sky News the meeting is being called “Pope Francis’s miracle” by members of the clergy, adding: “There’s so many things that happened today – it was just overwhelming.”
The bilateral meeting comes after Mr Trump’s peace negotiator Steve Witkoff held talks with Mr Putin at the Kremlin.
They discussed “the possibility of resuming direct negotiations between Russia and Ukraine”, Kremlin aide Yuri Ushakov said.
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On an extraordinary day, remarkable pictures on the margins that capture what may be a turning point for the world.
In a corner of St Peter’s Basilica before the funeral of Pope Francis, the leaders of America and Ukraine sit facing each other in two solitary chairs.
They look like confessor and sinner except we cannot tell which one is which.
In another, the Ukrainian president seems to be remonstrating with the US president. This is their first encounter since their infamous bust-up in the Oval Office.
Image: The two leaders held talks before attending the Pope’s funeral
Other pictures show the moment their French and British counterparts introduced the two men. There is a palpable sense of nervousness in the way the leaders engage.
We do not know what the two presidents said in their brief meeting.
But in the mind of the Ukrainian leader will be the knowledge President Trump has this week said America will reward Russia for its unprovoked brutal invasion of his country, under any peace deal.
Mr Trump has presented Ukraine and Russia with a proposal and ultimatum so one-sided it could have been written in the Kremlin.
Kyiv must surrender the land Russia has taken by force, Crimea forever, the rest at least for now. And it must submit to an act of extortion, a proposed deal that would hand over half its mineral wealth effectively to America.
Image: The world leaders shared a moment before the service
Afterwards, Zelenskyy said it had been a good meeting that could turn out to be historic “if we reach results together”.
They had talked, he said, about the defence of Ukraine, a full and unconditional ceasefire and a durable and lasting peace that will prevent a war restarting.
The Trump peace proposal includes only unspecified security guarantees for Ukraine from countries that do not include the US. It rules out any membership of Ukraine.
Ukraine’s allies are watching closely to see if Mr Trump will apply any pressure on Vladimir Putin, let alone punish him for recent bloody attacks on Ukraine.
Or will he simply walk away if the proposal fails, blaming Ukrainian intransigence, however outrageously, before moving onto a rapprochement with Moscow.
If he does, America’s role as guarantor of international security will be seen effectively as over.
This could be the week we see the world order as we have known it since the end of the Second World War buried, as well as a pope.