As Zohran Mamdani walked the streets of the Upper East Side for a campaign event to greet early voters, he could barely walk a few steps without being stopped by his supporters.

Two smiling young women looked starstruck and told him they followed him on Instagram. The millennial Democratic nominee for mayor thanked them before posing with another young man who had readied his phone for a selfie.

Throngs of press surrounded Mamdani and captured his every moment, like running into the street to shake hands with a taxi driver shouting “we support you, man”.

With a comfortable lead in the polls, the 34-year-old is on the brink of making history when New Yorkers vote on Tuesday, as the youngest mayor in over a century and the first Muslim and South Asian leader of the city.

A relatively unknown figure just months ago, few could have predicted his rise, from hip-hop artist and housing counsellor to New York State assembleyman and frontrunner to lead the biggest city in the US, a job which comes with a $116bn (£88bn) budget and global scrutiny.

Leading a three-way race

Through viral videos and outreach to content creators and podcasters, Mamdani has reached disaffected voters at a time when faith in the Democratic party among its own members is at an all-time low.

But there are questions over whether he can deliver on his ambitious promises and how a politician with no executive experience will handle the onslaught sure to come from a hostile Trump administration.

There is also the complicated relationship he has with his party establishment, as he becomes a national figurehead for left-wing Democrats.

He describes himself as a democratic socialist, which has no clear definition but essentially means giving a voice to workers, not corporations. He has promised to tax millionaires to pay for expanded social programmes. It’s the politics of Bernie Sanders and Alexandria Ocasio-Cortez with whom Mamdani has often shared a stage.

Trump has threatened to withdraw federal funds if New Yorkers elect a “communist”.

Mamdani has refuted that common attack line about his politics and during a daytime television interview he agreed with the host that he was “kind of like a Scandinavian politician,” only browner, he joked.

Victory would be seen as a rejection of politics as usual by New Yorkers as they struggle with the cost of living – Mamdani’s number one issue.

His main rival in Tuesday’s vote is former Democratic Governor Andrew Cuomo, who is running as an independent after losing to Mamdani in the primary.

Cuomo accuses Mamdani of an anti-business agenda that would kill New York. He says he has shown he can stand up to Trump but Mamdani calls Cuomo the president’s puppet.

Curtis Sliwa, the Republican nominee, mocks both of them. In the last debate, he said: “Zohran, your resume could fit on a cocktail napkin. And Andrew, your failures could fill a public school library in New York City.”

Rent freezes and free buses

Mamdani’s message has been laser-focused on affordability and quality of life issues. He has promised universal childcare, freezing rent in subsidised units, free public buses and city-run grocery stores.

It’s a message that has landed with New Yorkers fed up with sky-high prices.

“I support him because I’m a housing attorney and I see how the cost of living just keeps going up and up and up,” Miles Ashton told the BBC outside the candidates’ debate earlier this month. “We all want an affordable city.”

The costs of the Mamdani agenda would be covered by new taxes on corporations and millionaires, which he insists would raise $9bn – though some, like the libertarian Cato Institute, say his sums don’t add up. He would also need the support of the state legislature and Governor Kathy Hochul to implement new taxes.

1:12Watch moments from Zohran Mamdani’s campaign for mayor

She has endorsed him but says she is against increased income taxes. She does, however, want to work with him to achieve universal child care, which is by far the biggest-ticket item on his agenda at $5bn.

As he rode the M57 bus across Manhattan to highlight his free buses plan, he told the BBC why his focus on affordability was the right approach in the Trump era.

“It’s time for us to understand that to defend democracy, it’s not just to stand up against an authoritarian administration. It is also to ensure that that democracy can deliver on the material needs of working class people right here. That’s something we’ve failed to do in New York City.”

Among New Yorkers who told the BBC they were not voting for Mamdani, doubts about him being able to pay for his agenda and his inexperience were two of the biggest factors.

What New York business world thinks

After Mamdani won the Democratic primary in June, Wall Street leaders were hardly celebrating. Some threatened to leave the city.

But there’s been a noticeable shift since then – the mood is less panic, more collaboration. JPMorgan Chase CEO Jamie Dimon even said he would offer his help if Mamdani is elected.

Real estate developer Jeffrey Gural, who has met Mamdani, says he is too inexperienced to lead the nation’s largest city. He thinks his rent freeze plan would hurt tenants and his taxes on wealthy people will drive high earners away.

He does, however, support Mamdani’s universal childcare plan, a provision he gives his own staff at his casino upstate.

Part of the change in tone since the primary has been down to a concerted effort on Mamdani’s part to meet his critics.

On 14 October, Alexis Bittar, a self-taught jewellery designer who grew his business into a global company, hosted Mamdani and 40 business leaders at his 1850s Brooklyn townhouse.

They were a mix of CEOs and business owners from financial, fashion and art sectors. More than half were Jewish and they were all either on the fence or opposed to Mamdani’s candidacy.

There were questions about business, his management experience and how he would finance his agenda.

“I think he came across great,” Mr Bittar told the BBC. “The thing that’s remarkable about him is he’s incredibly equipped to answer them – and diligently answer them.”

An apology to police

Part of Mamdani’s engagement with his critics has been a willingness to change his position.

In 2020, after the murder of black man George Floyd by a police officer in Minnesota, Mamdani called for the city to defund police and called the NYPD “racist”. But he has since apologised and says he no longer holds those views.

Crime is the number one issue for Howard Wolfson, who worked for former Mayor Michael Bloomberg and is now a Democratic strategist. He was present during a meeting last month between the mayoral hopeful and Bloomberg, who spent $8m during the primary race trying to beat him.

Wolfson told the BBC he will judge Mamdani on how the city is policed.

“I think it’s great that he reaches out and is engaged, but I’m much more interested in how he’s going to govern,” he said. “Public safety is really the prerequisite for success or failure.”

Many see Mamdani’s pledge to ask the police commissioner Jessica Tisch to stay on as a way to allay concerns he would be soft on crime.

He says he would maintain the current level of NYPD staffing and create a new department of community safety that would deploy mental health care teams instead of armed officers to non-threatening, psychiatric calls.

A city divided over Gaza

One position Mamdani has stood firm on is his criticism of Israel and lifelong support for Palestinian rights.

It represents a break from the Democratic party establishment and could be a deciding factor for many voters in a city with the largest Jewish population outside of Israel.

He sparked outrage during the primary process when he refused to condemn the term “globalise the intifada”. But after Jewish New Yorkers expressed their unease to him, telling him they felt unsafe on hearing it, he said he discouraged others from using it.

A letter signed by more than 1,100 rabbis cited Mamdani as it condemned the “political normalisation” of anti-Zionism. Jewish voters are largely split between Mamdani and Cuomo in polling.

Brad Lander, the city’s comptroller, or financial chief, who teamed up with Mamdani in the Democratic primary to endorse each other’s candidacy against Cuomo, says many Jewish New Yorkers like him are very enthusiastic about Mamdani.

He is a mayoral candidate deeply committed to keeping everyone safe, regardless of religious beliefs, Lander told the BBC.

Sumaiya Chowdhury and Farhana Islam of the group Muslims for Progress have canvassed for the mayoral hopeful.

Ms Islam said that, while they are all excited that he could be New York’s first Muslim mayor, he doesn’t need to lean on his identity for support.

“His policies speak for themselves and they alone are enough to make him popular.”

Since his primary win, the Islamophobia Mamdani faces has increased. He now has police security and, last month, a Texas man was arrested on charges of making terroristic threats against him. In one message, the man said “Muslims don’t belong here”.

Mamdani decided to deliver an address on Islamophobia after Cuomo laughed along to a radio talkshow host saying that Mamdani would cheer another 9/11-style attack.

In an emotional speech, he said he had hoped that by ignoring racist attacks and sticking to a central message, it would allow him to be more than just his faith. “I was wrong. No amount of redirection is ever enough.”

Future of the party

What may propel Mamdani to victory in liberal New York may not be a recipe for success nationally. And Democrats in Congress seem worried about the implications of his ascendancy as party tensions between moderates and progressives persist.

Senate Minority Leader Chuck Schumer has not endorsed Mamdani, while his fellow New Yorker House Minority Leader Hakeem Jeffries only endorsed him a few hours before early voting began.

Democratic strategists have said the problem posed by Mamdani for the party’s establishment is that Trump and the Republicans already cast Democrats, no matter how moderate, as socialists. And it’s a tactic that is thought to have landed with some effect among Cuban and Venezuelan voters in the 2024 election.

Josh Gottheimer, the moderate Democratic representative of New Jersey, told the Washington Post he thought Mamdani had “extremist views” at odds with the Democratic party and that he feared Republicans will use the candidate as a kind of “bogeyman”.

At a campaign event on the Upper East Side, Mamdani told the BBC how he plans to handle the intense scrutiny if he wins, pointing to the energy behind his candidacy.

“There is no doubt that there will be opposition as we see that opposition today, and what has allowed us to surmount the unbelievable amounts of money that has been spent against this campaign in the primary or the general, has been the mass movement that we have created.”

Paloma Nadera, 38, volunteering at the event, said the last time she had been this excited to vote had been for Barack Obama in 2008. Since then she’s been disappointed by what she called the lack of bravery within the party.

“I feel like this race means so much to me because it’s local. It’s going to affect me, my family, my friends, everyone here in New York City.

“But it’s also sort of sending a message, up the chain about what we want politics to start to look like on the Democratic side on a national level.”

Members of a US congressional committee investigating the Jeffrey Epstein case have intensified their calls for Andrew Mountbatten Windsor to answer questions about his links to the late sex offender.

King Charles stripped his brother of his “prince” title on Thursday, following months of pressure over Andrew’s ties to Epstein. Andrew has always denied wrongdoing.

At least four Democrat members of the House Oversight Committee have since renewed their calls for Andrew to testify – although the panel is controlled by Republicans, who have not indicated they would support the move.

Congressman Suhas Subramanyam told the BBC: “If he wants to clear his name, if he wants to do right by the victims, he will come forward”.

Andrew could appear remotely, have a lawyer present and could speak to the panel privately, Subramanyam said.

“Frankly, Andrew’s name has come up many times from the victims,” he told Radio 4’s Today programme on Saturday.

“So he clearly has knowledge of what happened and we just want him to come forward and tell us what he knows.”

He added: “No matter who it is – American or not – everyone should be looked at.”

Fellow committee memberRaja Krishnamoorthi told BBC Newsnight he would be willing to formally summon Andrewwith a subpoena – although he conceded this would be difficult to enforce while he was outside of the US.

He said on Friday: “However, if Andrew wishes to come to the United States or he’s here, then he’s subject to the jurisdiction of the US Congress, and I would expect him to testify.”

He added: “At the end of the day, we want to know exactly what happened, not just to give justice to the survivors, but to prevent this from ever happening again.”

“Come clean. Come before the US Congress, voluntarily testify. Don’t wait for a subpoena. Come and testify and tell us what you know.”

Congressman Stephen Lynch also told the BBC hearing from Andrew “might be helpful in getting justice for these survivors” but said the committee would be unable to subpoena him “as the situation stands”.

Meanwhile, Liz Stein – one of Epstein’s accusers – said Andrew should “take some initiative” and help US investigators.

She told BBC Breakfast on Saturday: “A lot of us are curious as to why he’s unwilling to cooperate and be questioned about his involvement with Epstein.”

“If he has nothing to hide, then why is he hiding?”

“We know he had a longstanding friendship with Epstein and that he was in his social circle – so he may have seen things during his involvement with Epstein that he could speak to.”

Another of Epstein’s accusers, Anouska De Georgiou, likewise told Newsnight Andrew should appear before Congress, saying “it would be appropriate for him to be treated the same as anybody else would be treated”.

It comes after UK trade minister Chris Bryant told the BBC Andrew should go to the US to answer questions about Epstein’s crimes if invited, “just as with any ordinary member of the public”.

Meanwhile, the police watchdog said it had approached the Metropolitan Police to ask whether there are matters it should be looking into, in light of media reports about Andrew.

The Independent Office for Police Conduct said it had contacted Scotland Yard’s Directorate of Professional Standards last week – which oversees internal investigations into misconduct – and had not yet received any referrals.

Reports emerged in mid-October that Andrew sought to obtain personal information about his accuser Virginia Giuffre through his police protection in 2011. He has not commented on the reports, while the Metropolitan Police previously said it was “actively” looking into them.

Separately, new court documents published in the US on Friday showed that Andrew wrote in an email in 2010 that it would be “good to catch up in person” with Epstein, after he was released from prison for soliciting prostitution from a minor.

The pair were then pictured together in Central Park in New York in December 2010, in a meeting that Andrew later told the BBC was to break off their friendship.

Andrew’s ties to Epstein were at the centre of Thursday’s decision, with the Palace announcement stating: “These censures are deemed necessary, notwithstanding the fact that he continues to deny the allegations against him.”

“Their Majesties wish to make clear that their thoughts and utmost sympathies have been, and will remain with, the victims and survivors of any and all forms of abuse.”

In recent weeks, pressure had increased on the monarchy to resolve the issue of Charles’s brother.

In early October, emails which re-emerged from 2011 showed Andrew in contact with Epstein months after he claimed their friendship had ended.

A posthumous memoir by Virginia Giuffre was also released – repeating allegations that, as a teenager, she was forced to have sex with Andrew on three separate occasions, claims he has always denied.

And earlier this week, the King was heckled about the matter.

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Although Andrew denies the accusations, the Royal Family considers there have been “serious lapses of judgement” in his behaviour.

As well as losing his titles and honours, he was ordered to move out of his Windsor mansion – Royal Lodge – and into a property on the King’s Norfolk estate, paid for by the monarch.

The BBC understands that he will not have to move out immediately, and could move to Sandringham as late as the new year.

On Saturday, a black Land Rover with a number plate ending DOY was seen leaving Bishops Gate near Royal Lodge just before 08:00 GMT.

Only a driver was in the vehicle as it left the grounds of Windsor Great Park. Andrew has previously been pictured driving a vehicle with the same private number plate.

A photographer who witnessed the aftermath of a massive Brazilian police operation in Rio de Janeiro has told the BBC of how residents came back with mutilated bodies of those who had died.

The bodies “kept coming: 25, 30, 35, 40, 45…”, Bruno Itan told BBC Brasil. They included those of police officers.

One of the bodies had been decapitated – others were “totally disfigured”, he said. Many also had what he says were stab wounds.

More than 120 people were killed during Tuesday’s raid on a criminal gang – the deadliest such raid in the city.

Bruno Itan told BBC Brasil that he was first alerted to the raid early on Tuesday by residents of the Alemão neighbourhood, who sent him messages telling him there was a shoot-out.

The photographer made his way to the Getúlio Vargas hospital, where the bodies were arriving.

Itan says that the police stopped members of the press from entering the Penha neighboorhood, where the operation was under way.

“Police officers formed a line and said: ‘The press doesn’t get past here.'”

But Itan, who grew up in the area, says he was able to make his way into the cordoned-off area, where he remained until the next morning.

He says that Tuesday night, local residents began to search the hillside which divides Penha from the nearby Alemão neighbourhood for relatives who had been missing since the police raid.

Residents of the Penha neighbourhood proceeded to place the recovered bodies in a square – and Itan’s photos show the reaction of the people there.

“The brutality of it all impacted me a lot: the sorrow of the families, mothers fainting, pregnant wives, crying, outraged parents,” the photographer recalled.

The governor of Rio state said that the massive police operation involving around 2,500 security personnel was aimed at stopping a criminal group known as Comando Vermelho (Red Command) from expanding its territory.

Initially, the Rio state government maintained that “60 suspects and four police officers” had been killed in the operation.

They have since said that their “preliminary” count shows that 117 “suspects” have been killed.

Rio’s public defender’s office, which provides legal assistance to the poor, has put the total number of people killed at 132.

According to researchers, Red Command is the only criminal group which in recent years has managed to make territorial gains in the state of Rio de Janeiro.

It is widely considered one of the two largest gangs in the country, alongside First Capital Command (PCC), and has a history dating back more than 50 years.

According to Brazilian journalist Rafael Soares, who has been covering crime in Rio for years, Red Command “operates like a franchise” with local criminal leaders forming part of the gang and becoming “business partners”.

The gang engages primarily in drug trafficking, but also smuggles guns, gold, fuel, alcohol and tobacco.

According to the authorities, gang members are well armed and police said that during the raid, they came under attack from explosive-laden drones.

The governor of Rio state, Cláudio Castro, described Red Command members as “narcoterrorists” and called the four police officers killed in the raid “heroes”.

But the number of people killed in the operation has come in for criticism with the Office of the United Nations High Commissioner for Human Rights saying it was “horrified”.

At a news conference on Wednesday, Governor Castro defended the police force.

“It wasn’t our intention to kill anyone. We wanted to arrest them all alive,” he said.

He added that the situation had escalated because the suspects had retaliated: “It was a consequence of the retaliation they carried out and the disproportionate use of force by those criminals.”

The governor also said that the bodies displayed by locals in Penha had been “manipulated”.

In a post on X, he said that some of them had been stripped of the camouflage clothing he said they had been wearing “in order to shift blame onto the police”.

Felipe Curi of Rio’s civil police force also said that “camouflage clothing, vests, and weapons” had been removed from the bodies and showed footage appearing to show a man cutting camouflage clothing off a corpse.

Supreme Court Justice Alexandre de Moraes has summoned Governor Castro to a hearing on Monday to explain the police actions “in detail”.