Jordan’s foreign minister Ayman Safadi said: “There is no use in talking now about anything except stopping the war.”
Mr Biden will no longer visit Jordan, and instead only visit Israel, the White House said.
A spokesperson said: “After consulting with King Abdullah II of Jordan and in light of the days of mourning announced by President Abbas of the Palestinian Authority, President Biden will postpone his travel to Jordan and the planned meeting with these two leaders and President Sisi of Egypt.”
In a statement, President Biden said: “I am outraged and deeply saddened by the explosion at the Al Ahli Arab hospital in Gaza, and the terrible loss of life that resulted. Immediately upon hearing this news, I spoke with King Abdullah II of Jordan, and Prime Minister Netanyahu of Israel and have directed my national security team to continue gathering information about what exactly happened.
“The United States stands unequivocally for the protection of civilian life during conflict and we mourn the patients, medical staff and other innocents killed or wounded in this tragedy.”
Biden now has a 10-hour flight to work out his next steps
It is only a 20-minute drive from where I am at the White House to joint base Andrews where Air Force One was waiting on the tarmac to pick up President Biden.
But even in that short journey the president’s trip to Israel and the Middle East was plunged even further into crisis.
A planned summit with regional leaders in Jordan was already hanging by a thread after the president of the Palestinian Authority, Mahmoud Abbas, withdrew. But as President Biden’s motorcade zoomed towards the airstrip, King Abdullah of Jordan cancelled the meeting entirely.
It means one half of President Biden’s trip is now non-existent. He was going to use that meeting to urge those leaders to throw their support behind Israel as the US has, and attempt to stave off a wider conflict.
The complexion of his trip has completely shifted since the horror of the hospital blast in Gaza. President Biden now has a 10-hour plane journey to contemplate how to react to that given the competing narratives of who is responsible.
But who knows what might have happened by the time he lands in Tel Aviv?
Hamas has blamed Israel for the incident, while Israel said the Palestinian Islamic Jihad (PIJ) group was responsible.
King Abdullah II said the strike was a “shame on humanity”, and called on Israel to immediately stop its military campaign in Gaza.
Accusing Israel of the strike, leader of the Palestinian Authority Mahmoud Abbas said the country has crossed “all red lines” and described it as a “hideous war crime”.
Iran says “indirect talks” over the country’s rapidly advancing nuclear programme have taken place with US officials, with more to come next week.
The discussions on Saturday took place in Muscat, Oman, with the host nation’s officials mediating between representatives of Iran and the US, who were seated in separate rooms, according to Esmail Baghaei, a spokesperson for Iran’s foreign ministry.
After the talks concluded, Oman and Iranian officials reported that Iran and the US had had agreed to hold more negotiations next week.
Oman’s foreign minister Sayyid Badr Albusaidi tweeted after the meeting, thanking Iran’s foreign minister Abbas Araghchi and US Middle East envoy Steve Witkoff for joining the negotiations aimed at “global peace, security and stability”.
“We will continue to work together and put further efforts to assist in arriving at this goal,” he added.
Image: (L-R) Iranian foreign minister Abbas Araghchi meets his Omani counterpart Sayyid Badr Albusaidi. Pic: Iranian foreign ministry/AP
Iranian state media claimed the US and Iranian officials “briefly spoke in the presence of the Omani foreign minister” at the end of the talks – a claim Mr Araghchi echoed in a statement on Telegram.
He added the talks took place in a “constructive atmosphere based on mutual respect” and that they would continue next week.
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American officials did not immediately acknowledge the reports from Iran.
Mr Araghchi said before the meeting on Saturday there was a “chance for initial understanding on further negotiations if the other party [US] enters the talks with an equal stance”.
He told Iran’s state TV: “Our intention is to reach a fair and honourable agreement – from an equal footing.
“And if the other side has also entered from the same position, God willing, there will be a chance for an initial agreement that can lead to a path of negotiations.”
Reuters news agency said an Omani source told it the talks were focused on de-escalating regional tensions, prisoner exchanges and limited agreements to ease sanctions in exchange for controlling Iran’s nuclear programme.
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0:42
Trump on Monday: ‘We’re in direct talks with Iran’
President Donald Trump has insisted Tehran cannot get nuclear weapons.
He said on Monday that the talks would be direct, but Tehran officials insisted it would be conducted through an intermediary.
Saturday’s meeting marked the first between the countries since Mr Trump’s second term in the White House began.
During his first term, he withdrew the US from a deal between Iran and world powers designed to curb Iran’s nuclear work in exchange for sanctions relief.
He also reimposed US sanctions.
Iran has since far surpassed that deal’s limits on uranium enrichment.
Tehran insists its nuclear programme is wholly for civilian energy purposes but Western powers accuse it of having a clandestine agenda.
Mr Witkoff came from talks with Russian president Vladimir Putin on Friday, as the US tries to broker an end to the war in Ukraine.
Palestinian student activist Mahmoud Khalil can be deported from the US, an immigration judge has ruled.
Mr Khalil, a postgraduate student at Columbia University’s school of international and public affairs, has been a prominent figure in the university’s pro-Palestinian student protest movement.
The 30-year-old has held a US permanent residency green card since 2024 and his wife is a US citizen.
Image: Mahmoud Khalil. Pic: AP
Mr Khalil was detained at his Columbia apartment building in Manhattan on 8 March, as agents from the Department of Homeland Security (DHS) told him his student visa had been revoked.
Mr Khalil, who acted as a mediator between protesters and university officials during pro-Palestinian demonstrations at New York’s Columbia University last year, is not accused of breaking any laws.
But the Trump administration says noncitizens who participate in demonstrations like he has should be expelled from the country for expressing views that the administration considers to be antisemitic and “pro-Hamas”.
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On Friday, immigration judge Jamee E Comans ruled that the government had the right to deport him, saying its belief that his presence posed “potentially serious foreign policy consequences” was enough to satisfy requirements for his deportation.
Image: Mr Khalil, centre, surrounded by reporters outside the Columbia University campus in April last year. Pic: AP
He said the government had “established by clear and convincing evidence that he is removable”.
Mr Khalil’s lawyers have said they plan to fight the ruling via the Board of Immigration Appeals and can also pursue an asylum case on his behalf.
The judge gave them until 23 April to seek a waiver.
His lawyer Marc van der Hout said after the ruling: “Today, we saw our worst fears play out: Mahmoud was subject to a charade of due process, a flagrant violation of his right to a fair hearing, and a weaponisation of immigration law to suppress dissent.”
Mr Khalil, who was born in a Palestinian refugee camp in Syria and holds Algerian citizenship, remains in the Louisiana immigration detention centre where federal authorities transferred him after his arrest.
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0:46
Jewish protesters against war in Gaza chant ‘Bring Mahmoud home now’
His defence team has said it is seeking a preliminary injunction from the federal court in New Jersey, which would release him from custody and could block the Trump administration from arresting and detaining people for supporting Palestinian people in Gaza.
The Trump administration has been cracking down on pro-Palestinian protesters at universities across the country.
After his arrest last month, the president said: “This is the first arrest of many to come. We know there are more students at Columbia and other universities across the country who have engaged in pro-terrorist, anti-Semitic, anti-American activity, and the Trump administration will not tolerate it.”
There have also been protests over the arrest of Mr Khalil, including by a Jewish group against the war in Gaza who stormed Trump Tower in New York last month.
Local police said 98 were arrested on charges including trespassing, obstruction and resisting arrest.