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.
Thousands of troops are taking part in a joint military exercise between Russia and Belarus, as tensions with the EU run high following a Russian drone incursion into Polish airspace earlier this week.
The Zapad joint military exercise which began on Friday will involve drills in both Russia and Belarus as well as in the Baltic and Barents seas, the Russian defence ministry said.
Belarusian defence officials initially said about 13,000 troops would participate in the drill, but in May, its defence ministry said that would be cut nearly in half.
It comes just two days after Poland, with support from its NATO allies, shot down Russian drones over its airspace.
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Poland’s Prime Minister Donald Tusk on Friday morning hit back at a suggestion by US President Donald Trumpon Thursday that the incursion may have been a “mistake”.
He said in a post on X: “We would also wish that the drone attack on Poland was a mistake. But it wasn’t. And we know it.”
Russia said its forces had been attacking Ukraine at the time of the incursions and that it had not intended to hit any targets in Poland.
Friday also saw Foreign Secretary Yvette Cooper travelling to Ukraine’s capital of Kyiv on the same day the UK announced fresh sanctions against Moscow.
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Prince Harry was also in Kyivfor a surprise visitto help with the recovery of military personnel seriously injured in the three-year war with Russia.
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Prince Harry arrives in Kyiv
Ms Cooper, who was appointed foreign secretary last week, posted about her visit on X saying: “The UK’s support for Ukraine is steadfast. I am pleased to be in Kyiv on my first visit as Foreign Secretary.”
The UK’s new sanctions include bans on 70 vessels that Britain says are part of Russia’s “shadow fleet” that transports Russian oil in defiance of sanctions already in place.
Image: Yvette Cooper with Volodymyr Zelenskyy in Kyiv. Pic: Valentyn Ogirenko/PA
Some 30 individuals and companies – including Chinese and Turkey-based firms – have also been sanctioned for their part in supplying Russia with electronics, chemicals, explosives and other weapons components.
Her visit coincides with the UK launching a new package of Russia-related sanctions targeting ships carrying Russian oil as well as companies and individuals supplying electronics, chemicals and explosives used to make Russian weapons.
It comes as Russia and Belarus began a major joint military exercise on on NATO’s doorstep on Friday, just two days after Poland, with support from its NATO allies, shot down suspected Russian drones over its airspace.
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Drones shot down in Poland
The Zapad-2025 exercise – a show of force by Russia and its close ally – will involve drills in both countries and in the Baltic and Barents seas, the Russian defence ministry said.
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Meanwhile on the frontline, Russian defence systems intercepted and destroyed 221 Ukrainian drones overnight, including nine over the Moscow region, the ministry said on Friday.
The duke told the Guardian while on an overnight train to Kyiv: “We cannot stop the war but what we can do is do everything we can to help the recovery process.
“We can continue to humanise the people involved in this war and what they are going through.
“We have to keep it in the forefront of people’s minds. I hope this trip will help to bring it home to people because it’s easy to become desensitised to what has been going on.”
Harry, who served two tours in Afghanistan, previously travelled to Ukraine in April, when he visited war victims as part of his work with wounded veterans.
The prince visited the Superhumans Center, an orthopaedic clinic in Lviv that treats and rehabilitates wounded military personnel and civilians.
Earlier this week, Harry said the King is “great” after he reunited with him at Clarence House for a private tea.
It was their first meeting in 19 months and lasted just 54 minutes.
Brazil’s former president Jair Bolsonaro has been sentenced to 27 years and three months in prison for attempting a coup to stay in power after his 2022 election defeat.
The far-right politician, who ruled Brazil between 2019 and 2022, is currently under house arrest in the capital, Brasilia.
A panel of five Supreme Court justices handed down the sentence several hours after they found the 70-year-old guilty on five counts.
The counts were trying to stage a coup, being part of an armed criminal organisation, attempting violent abolition of the democratic rule of law, being implicated in violence, and posing a serious threat to the state’s assets and listed heritage.
Bolsonaro‘s lawyers have said they will appeal the verdict.
Image: Pic: AP
The ruling will deepen political divisions in Brazil and is also likely to prompt a backlash from the United States government – with Donald Trump already sharing his thoughts on the vote.
President Trump, an ally of Bolsonaro, has said he was surprised and “very unhappy” with the decision.
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Speaking to reporters outside the White House, he said he always found Bolsonaro “outstanding” and said the conviction is “very bad for Brazil”.
Mr Trump previously called the case a “witch hunt”, slapped Brazil with tariff hikes, and revoked US visas for most members of Brazil’s high court.
Bolsonaro is the first former Brazilian president to be convicted of attempting a coup.
He has not attended the court proceedings, and on Thursday, he was seen at the garage of his property, but did not talk to the media.
Justice Alexandre de Moraes, who has been overseeing the case, said on Tuesday that Bolsonaro was the leader of a coup plot and of a criminal organisation, and voted in favour of convicting him. Justices Flavio Dino, Carmen Lucia, and Cristiano Zanin sided with Justice Moraes in the trial.
On Wednesday, another justice, Luiz Fux, disagreed and voted to acquit the ex-president of all charges.
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Justice Lucia said she was convinced by the evidence the attorney general’s office put forward against Bolsonaro, saying: “He is the instigator, the leader of an organisation that orchestrated every possible move to maintain or seize power.”
Bolsonaro had been previously banned from running for office until 2030 in a different case.
He is expected to choose an heir who is likely to challenge President Luiz Inacio Lula da Silva next year.