There was no end point for the review, the spokeswoman said.
“We are looking at all the campaign pledges and we are looking at whether it is the right time to take them forward,” she said.
“We need to take some time to make sure what is deliverable and what is possible, and engaging with stakeholders and with the relevant secretaries of state as well.
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“Obviously, those are pledges that were made a few months ago now and the context is somewhat different, obviously, economically.
Among the critics, the British Medical Association (BMA) said the plans would “make matters worse” and threaten the principle of free NHS care at the point of need.
This morning, Transport Secretary Mark Harper also cast doubt on the high speed rail link connecting Manchester and Leeds, saying the government is looking at “all the options” ahead of expected spending cuts in the autumn statement later this month.
Key pledges made by Mr Sunak in the leadership contest include:
Cut the basic rate of income tax from 20p to 16p by the end of the next parliament
Scrap or reform all EU legislation by the next election
Continue the Rwanda deportation scheme, alongside a 10-point plan to tackle immigration
Block housing on the greenbelt
Rail improvements in the North, including HS2 trains up to Leeds
Commit to reaching net zero emissions by 2050.
The PM’s spokeswoman was also asked if Mr Sunak is committed to the 2019 manifesto pledge not to raise taxes, and said that, while the PM strives for a low tax economy, “a lot of things have happened” since then and “we are feeling effects”.
The admission from Downing Street is likely to fuel fresh calls for a general election, which opposition parties have been demanding since the collapse of Boris Johnson’s government in July.
Mr Sunak took on Liz Truss for the Tory leadership over the summer, but lost out to her in the race to succeed Mr Johnson after Tory party members favoured her tax-slashing plan for growth over his fiscally conservative policies.
However, the former chancellor saw a swift reversal in fortunes when Ms Truss resigned after just 44 days in the job.
He won the support of Tory MPs and became leader in a swift second leadership contest that didn’t go to the wider party membership.
He now faces the task of balancing the books following the fallout from his predecessor’s disastrous mini-budget.
US President Donald Trump has told Gazans to hand over Israeli hostages or “you are dead”.
The threat, made over social media, came hours after the White House confirmed that US officials had broken with tradition to hold direct talks with Hamas.
The US has previously avoided direct contact with the group owing to Washington’s longstanding position not to negotiate with terrorists – with Hamas having been designated as a terrorist group in the US since 1997.
In a press conference on Wednesday, White House press secretary Ms Keavitt said there had been “ongoing talks and discussions” between the US officials and Hamas.
Image: File pic: AP
But she would not be drawn on the substance of the talks – taking place in Doha, Qatar – between US officials and Hamas, but said Israel had been consulted.
Ms Leavitt continued: “Dialogue and talking to people around the world to do what’s in the best interest of the American people, is something that the president has proven is what he believes is a good faith, effort to do what’s right for the American people.”
There are “American lives at stake,” she added.
Adam Boehler, Mr Trump’s pick to be special envoy for hostage affairs, participated in the direct talks with Hamas.
A spokesperson for Benjamin Netanyahu’s office said Israel had “expressed to the United States its position regarding direct talks with Hamas”.
Hours later, Mr Trump warned Hamas to hand over Israeli hostages or “it’s over for you” – adding: “This is your last warning”.
Image: Hamas militants on the day of a hostage handover in Gaza in February. Pic: Reuters
On his Truth Social platform, Mr Trump wrote: “Release all of the hostages now, not later, and immediately return all of the dead bodies of the people you murdered or it is over for you.
“Only sick and twisted people keep bodies and you are sick and twisted. I am sending Israel everything it needs to finish the job, not a single Hamas member will be safe if you don’t do as I say.”
Mr Trump met with freed Israeli hostages on Wednesday, something he referenced in his social media post, before adding: “This is your last warning. For the leadership of Hamas, now is the time to leave Gaza, while you still have a chance.
“Also, to the people of Gaza, a beautiful future awaits, but not if you hold hostages. If you do, you are dead. Make a smart decision. Release the hostages now, or there will be hell to pay later.”
Israel estimates about 24 living hostages, including American citizen Edan Alexander, and the bodies of at least 35 others, are still believed to be in Gaza.
Image: Donald Trump with Benjamin Netanyahu in February. Pic: Reuters
The US has a long-held policy of not negotiating with terrorists – which it is breaking with these talks as Hamas has been designated a foreign terrorist organisation by the US government’s National Counterterrorism Center since 1997.
The discussions come as a fragile Israel-Hamas ceasefire continues to hold, but its future is uncertain.
Image: Palestinians amid the rubble in the southern Gaza strip. Pic: Reuters
Mr Trump has signalled he has no intention of pushing the Israeli prime minister away from a return to combat if Hamas does not agree to terms of a new ceasefire proposal – which, Israel says, has been drafted by US Middle East envoy Steve Witkoff.
The new plan would require Hamas to release half its remaining hostages – the group’s main bargaining chip – in exchange for a ceasefire extension and a promise to negotiate a lasting truce.
Donald Trump has admitted his tariffs on major trading partners will cause “a little disturbance” – as China said it was “ready” for “any type of war” with the US.
The US president made his comments in an address to Congress, hours after the levies on imports came into effect.
Producers in Mexico and Canada have been hit with a 25% tax on items they export to the US, while a 20% tariff has been applied to Chinese imports.
Image: Donald Trump and Chinese President Xi Jinping. The US president has admitted his tariffs will cause ‘a little disturbance’ – as China responds. Pic: Reuters/AP
Stock markets, which Mr Trump is said to pay close attention to, slid on the tariffs news.
Exporters in the affected countries as well as businesses in the US and economists have raised concerns about the potential price-raising impact of the tariffs.
Making imports more expensive will likely make goods more expensive and could push prices up across the board.
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6:35
Trump’s Congress speech unwrapped
Concern over threat to interest rates
A cycle of high inflation could lead to interest rates being higher for longer in the US, the world’s largest economy, which could dampen economic activity.
A slowed US economy would have global consequences but even without a hit to the States, there are fears of a global trade war – in which countries add their own trade barriers in the form of tariffs.
The Chinese embassy in the US posted on X: “If war is what the US wants, be it a tariff war, a trade war or any other type of war, we’re ready to fight till the end.”
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Speaking to Sky News presenter Yalda Hakim the US former deputy national security advisor Matt Pottinger said Chinese president Xi Jinping was turning the Chinese economy “into a wartime economy”
“He’s preparing his economy for war so that it can withstand the shocks of war,” he said on The World with Richard Engel and Yalda Hakim podcast
“That means he’s willing to undergo massive inefficiencies in the economy. He’s willing to stockpile food that otherwise would flow easily and more cheaply in from foreign vessels.”
“He’s stockpiling copper and all kinds of inputs into the economy. He is making sure that the private sector is wholly aligned with his broad goals, which are about increasing the Chinese Communist Party’s control over the economy and creating a bigger, better defence industrial base,” Mr Pottinger said.
“He’s preparing for war.”
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Canada’s prime minister Justin Trudeau said his country was launching its own WTO challenge and described the US tariffs as a “dumb thing to do”.
He also warned the move by the Trump administration would impact American workplaces and add to inflation in the US.
Addressing the American public, he said: “We don’t want this… but your government has chosen to do this to you.”
Canada has announced the imposition of 25% tariffs on US imports worth C$30bn (£16.3bn).
But US commerce secretary Howard Lutnick struck a different note on tariffs and on Monday said the president will “probably” announce a compromise with Canada and Mexico as early as Wednesday.
China’s premier has warned “changes unseen in a century are unfolding across the world” as a trade war with the US intensifies.
Li Qiang was speaking in parliament – a day after Washington slapped another 10% tariff on Chinese goods.
Beijing has responded with 10% to 15% tariffs on US food and agricultural products.
“Global economic growth lacks steam, unilateralism and protectionism are on the rise… the multilateral trading system is experiencing disruptions and tariff barriers continue to increase,” Premier Li added.
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0:53
‘Whatever they tariff us, we will tariff them’
The Chinese Embassy in the US has also dialled up the pressure, writing on X: “If war is what the US wants, be it tariff war, a trade war or any other type of war, we’re ready to fight till the end.”
This statement was first made by China’s ministry of foreign affairs on Tuesday. The fact that China has repeated it two days in a row is significant.
It is a pointed message to the US that China’s patience is running out – and its rhetoric about the tit-for-tat tariffs is growing harsher. It has called the tariff war “pressure”, “blackmail”, a “smear campaign” and “shifting the blame”.
But Mr Trump loves imposing tariffs on China and appears convinced the pressure will work. He blames China for exporting the chemical precursors used to make fentanyl, which has fuelled the US opioid epidemic.
Meanwhile, China is facing severe economic challenges at home, with the country setting a growth target of “about 5%” for this year.
The government’s work report said a major task this year is to boost consumption and domestic demand.
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3:27
Why are tariffs such a big deal?
The problem in China is people aren’t spending enough money, instead they are cautiously saving. One reason for this is the weakness of China’s social welfare system. People save their money in case they lose their job, or to pay for health and elderly care.
The government says it wants to make domestic demand the engine of growth by turning several cities into “international consumption centres” – and expanding its trade-in system to encourage people to buy new products for the home.
Shopping aside, thousands of delegates from provinces across China attended including high-profile figures like former basketball star Yao Ming, and Lei Jun, who co-founded the electric vehicle manufacturing company Xiaomi.
After the session, delegates streamed into the square outside the Great Hall of the People. It is a chance to get their thoughts on the country’s future.
Congress delegate Liu Hui said: “I think tariffs will have little impact on China because we treat others the way they treat us.”
Another delegate from Shaanxi province, Song Yaping, is proud of China’s hi-tech prowess and said: “Our technology develops so fast, just look at DeepSeek, look at how fast our AI develops.”
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51:27
Peace in Europe, war with China?
Despite the confidence, the trade war is deepening.
In the factory heartland of Guangzhou in southern China, a glassware exporter is bracing for the impact of the latest Trump tariffs.
Marketing manager Anna said: “I think the people will discuss these tariffs and of course 10% is a huge number. Some companies can’t make a profit from this.
“But we can’t change it. We just have to get used to it and let it be.”
Still, letting it be is not easy in a world where it feels like everything is changing fast.