The Israeli army says 21 soldiers have been killed in central Gaza – the deadliest day for its forces since the war began.
It said the soldiers were preparing explosives to demolish two buildings on Monday when a rocket-propelled grenade was fired at a nearby tank, setting off the explosion prematurely and causing the buildings to collapse on them.
“We are still studying and investigating the details of the event and the reasons for the explosion,” Israeli military spokesman Rear Admiral Daniel Hagari told reporters.
Israeli Prime Minister Benjamin Netanyahu said Israel would not end the fighting until Hamas had been wiped out.
He said it was “one of the hardest days since the outbreak of the war”, in a post on X.
“In the name of our heroes, and for our own lives, we will not stop fighting until absolute victory.”
Earlier, the military said three soldiers were killed in a separate attack in southern Gaza.
The assault came as Israeli forces pushed deep into western Khan Younis in Gaza, with an air, sea and land bombardment that included storming a hospital and arresting medical staff, Gaza health ministry spokesman Ashraf al Qidra told Reuters news agency.
The 24 fatalities means it was the deadliest day for the Israeli Defence Force in Gaza since the war started in October.
At least 50 people were killed on Sunday night in Khan Younis, Mr Qidra said, adding the sieges at medical facilities meant rescuers could not reach the dead and wounded.
The United States called on Israel to protect innocent Palestinians and medical staff.
White House National Security Council spokesman John Kirby said on Monday that Israel had a right to defend itself, but added: “We expect them to do so in accordance with international law and to protect innocent people in hospitals, medical staff and patients as well, as much as possible.”
Israel is under growing pressure over its war against Hamas inside Gaza – launched in the wake of a Hamas terror attack on Israeli soil on 7 October in which 1,200 people died – because of the large number of civilian deaths.
It has repeatedly claimed Hamas is using hospitals in Gaza as military positions.
Hamas and medical staff have denied this.
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IDF release footage of ‘Gaza tunnel’
The Israeli military has recently intensified strikes on Khan Younis in southern Gaza – which it believes is where top Hamas commanders are holed up.
The Hamas-controlled health authorities in Gaza have said at least 25,295 people have been killed since the conflict began.
Israel has vowed to eliminate Hamas – the Palestinian Islamist movement that rules Gaza and is sworn to Israel’s destruction – since its multi-pronged attack last year.
Hamas militants crossed into Israel from the Gaza Strip in an unprecedented surprise assault, holding Israeli towns and military posts under siege, killing and abducting civilians, and targeting people at a dance music festival.
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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.