Lyse Doucet
Chief international correspondent

In normal times, the first foreign visit of a Canadian prime minister is to the country’s southern neighbour, the United States.

But these are not normal times.

Sources say Mark Carney’s first stops after being sworn in today will be Paris and London on Monday.

It’s being described as “emergency discussions on tariffs and trade” as President Trump imposes swinging tariffs on both sides of the Atlantic.

It is also an urgent opportunity for Canada’s new leader to highlight this transatlantic partnership at a time when Canada is under mounting pressure from President Trump, who continues to emphasise his interest in absorbing Canada as the “51st state".

Canadians vow this shocking threat will never succeed.

Some Canadian politicians have asked why Britain’s Prime Minister Sir Keir Starmer has not publicly and explicitly spoken out in Canada’s defence.

The UK’s Liberal Democrat leader Sir Ed Davey called on Starmer to show more public support.

During his brief visit to London, Carney will also visit King Charles, Canada’s head of state, who recently expressed his “deepest affection” for Canada. It's also been noted that he recently planted a maple tree.

But Carney’s top priorities also include building a relationship with the US president. Canada’s Foreign MinisterMélanie Joly says she has already spoken to her US counterpart about organising a telephone call “in the next couple of days".

Daniela Relph
Senior royal correspondent

Image source, Getty Images

Royal sources say the King has written privately to Prime Minister Mark Carney to congratulate him on his appointment.

Sources say Canada’s new PM is expected to visit Europe next week, which will include a trip to the UK.

Any visit to the UK is likely to include a meeting with King Charles III.

The King and Mark Carney met many times when the prime minister lived in London as governor of the Bank of England.

Ministers in Mark Carney's new cabinet are now being sworn in.

First up is Dominic LeBlanc as minister for international trade and intergovernmental affairs. We will bring you a full list of cabinet members shortly.

Carney sits at a table as he signs the official documents to be sworn in as prime minister, as the crowd claps loudly.

The documents are also signed by the Governor General of Canada, Mary Simon.

As is traditional in Canada, Mark Carney is sworn in in both official languages - English and French.

He recites an oath swearing allegiance to King Charles III, King of Canada, as well as his heirs and successors.

Carney also vows to be a "faithful and true servant to his majesty".

Mark Carney has come forward and is being sworn in.

Stick with us and we'll bring you the latest. And a reminder you can watch the ceremony live at the top of this page.

Image source, Reuters

The secretary to the governor general, Ken MacKillop, is now speaking at the podium.

He starts by acknowledging traditional elders at the ceremony and introduces a first nation speaker - Elder Verna McGregor.

The swearing in ceremony is under way. It will be opened by Canada's Clerk of the Privy Council, John Hannaford, as well as the Secretary to the Governor General.

A reminder that you can watch the ceremony with us by clicking the watch live button above.

Image source, POOL

We're getting visuals from inside the ballroom at Rideau Hall.

Seats filled quickly with some notable faces in the room, including former governor generals of Canada and former Liberal Prime Minister Jean Chretien.

Members of Mark Carney's family are also there, with his wife Diana Fox seated in the front row.

The ceremony is now beginning, you can watch it live at the top of this page.

Daniela Relph
Senior royal correspondent

Image source, Reuters

Royal diplomacy is soft, careful, guarded and sometimes you have to read between the lines. As a constitutional monarch, King Charles III is positioned as being apolitical.

He does not get directly involved publicly in political wrangling. But that doesn’t me you can’t get a very clear sense of what he’s thinking.

The King is Canada’s head of state, and in recent weeks he’s shown it.

At a time when relations between Canada and the US are fraught, the King has met outgoing Prime Minister Justin Trudeau and issued a Flag Day message describing Canada as “a proud, resilient and compassionate country".

Earlier this week, the King was also given a ceremonial sword to honour his reign from the Canadian Usher of the Black Rod, Greg Peters, and the Speaker of the Canadian Senate, Raymond Gagne.

Afterwards, royal sources said there had been a 30-minute discussion on topics of great concern to all parties both nationally and internationally.

The optics towards Canada ooze warmth, support and friendship.

This is the message Buckingham Palace wants the world to see.

In just a few minutes, the ceremony for Mark Carney's swearing in will begin.

You can see it all by clicking Watch Live at the top of this page.

We will also be bringing you text updates throughout the ceremony.

Image source, Reuters

Mark Carney has just arrived into Rideau Hall, where he will be sworn in as Canada's new prime minister shortly.

He spoke to reporters briefly on his way in. "We're a very focused government, focused on action," he says. "We're going to get straight to work."

Bernd Debusmann Jr
Reporting from the White House

Image source, Bernd Debusmann Jr/BBC

Just a few moments ago, we heard from White House press secretary Karoline Leavitt outside the West Wing of the White House.

In brief remarks to reporters, she told us that, to her knowledge, Trump is yet to speak with Mark Carney.

"When they do, we can provide a read-out on that," she added.

It's unclear if we'll hear from Trump directly today, but stay with us for more updates.

Image source, Getty Images

Mark Carney met his wife, Diana Fox Carney - a British economist who focuses on developing countries - while the two were studying at the University of Oxford in England.

Diana previously served as the vice president of Canada 2020, a progressive think tank which conducts research and starts conversations about the country’s future, according to its website.

The couple were married in 1994. Together they have four daughters: Cleo, Tess, Amelia and Sasha.

Image source, Reuters

Mark Carney was the first non-British person to become governor of the Bank of England in its more than 300-year history when he took the job in 2013.

He had previously steered his home country through the Great Recession as the governor of the Bank of Canada, the country's central bank, before being poached for Britain's top banking job.

But unlike most PM-hopefuls, Carney has never held political office. Still, he won the contest to replace Justin Trudeau handily.

Now, he must lead the country through one of its toughest challenges yet - an escalating trade war with its biggest trading partner, the United States.

But holding on to the role of PM will be a fight in and of itself. Canada's next federal election is scheduled for this October, but many expect Carney to call it soon after he is sworn in.

You can read more in our profile of Canada's new prime minister.

There's about 30 minutes until Mark Carney's swearing in ceremony, and Justin Trudeau has now officially resigned as Canada's prime minister.

Canadian outlet CBC reports that Trudeau met with Governor General Mary Simon at 10:00 ET (14:00 GMT) and officially resigned.

Carney is expected to answer questions from reporters after he is sworn in at 11:00 ET.

Conservative Leader Pierre Poilievre is also expected to hold a news conference later today.

Multiple Canadian media outlets are reporting that Mark Carney will trim down his cabinet today.

Trudeau's cabinet included 36 other ministers. But CBC is reporting that sources say Carney's will be about half that, with between 15-20 ministers.

But the key jobs - especially those related to the ongoing trade war with the US - are unlikely to change much, the public broadcaster reported, external.

Melanie Joly is expected to stay on as foreign affairs minister, and Dominic LeBlanc is likely to move from finance to international trade with a special focus on the Canada-US relationship. Innovation Minister François-Philippe Champagne is being moved to finance, the CBC reported.

The big unknown is what will happen to Chrystia Freeland - Trudeau's Deputy Prime Minister. It was Freeland's dramatic resignation from Trudeau's cabinet that sparked Trudeau to resign. And she ran against Carney in the leadership race, trailing behind him in second place.

Media outlets are reporting she will be offered a cabinet position.

Image source, EPA

Earlier this week US President Donald Trump halted a plan to double US tariffs on Canadian steel and metal imports to 50%, hours after first threatening them.

But, on Wednesday tariffs of 25% still went ahead on those Canadian goods.

It marked the latest skirmish in a trade war that risks economic damage to the two North American neighbours.

Earlier this month, Trump imposed 25% tariffs on goods entering the US from Canada, something outgoing PM Justin Trudeau said was a "very dumb thing to do".

In a social media post, Trump said Canada could avoid higher taxes if it joined the US as its 51st state, a threat that Canada's Foreign Minister Melanie Joly said the country took "very seriously".

Canada, one of America's closest trade partners, has borne the brunt of Trump's ire as he has launched trade battles in his first weeks in office.

Justin Trudeau has led Canada for almost 10 years, from his first election as Liberal leader in the fall of 2015 to now.

He has overseen one of the more tumultuous periods in the country’s history, which included dealing with the first Trump administration, the Covid-19 pandemic and Donald Trump’s latest tariffs against Canada.

Trudeau legalised marijuana federally in Canada, and has been credited with helping bring in consequential social programs like $10-a-day childcare and a national dental care programme for low-income Canadians.

On his last day in office, Trudeau posted a goodbye video on his social media accounts.

“I’m proud to have served a country full of people who stand up for what’s right, rise to every occasion and always have each other’s backs when it matters most,” Trudeau says in the video.

“This may be my last day here in this office, but I will always be boldly and unapologetically Canadian. My only ask is that no matter what the world throws at us, you always be the same.”

Moments ago he tweeted a thank you to Canadians for the "privilege to serve the best country, and the best people".

Mark Carney is a political newcomer who was once the governor of the Bank of Canada and also the Bank of England.

Since winning the race to lead the Liberal Party, Carney has taken a strong stance against Trump, who has suggested Canada could become the "51st" state of the US.

Watch the video below to see the key moments of Carney's journey from banker to PM.