Mothers carrying their children smile, give me a thumbs up, and then point to a riverbank 50 metres or so away.
We’re on a walkway bridge between the Mexican city of Matamoros and Brownsville in Texas. The riverbank is of course the United States – so close you feel you can almost touch it.
For these families wide-eyed with excitement, this is the moment they’ve dreamt of. Many have endured months, even years, on the road.
Sometimes travelling thousands of miles through hostile countries, outwitting cartel gangs, and managing dizzyingly contradictory bureaucracy, all to get to this point: an asylum interview with United States border officials, and almost certain entry.
On its face, this all sounds like a system working in perfect harmony with the needy being helped by a welcoming country.
But in reality, migration is a hotly disputed issue that is likely to dominate the Trump-Harris debate, and the run-up to the presidential election itself.
You can watch live coverage of the debate between Kamala Harris and Donald Trump from midnight tonight on Sky News, on web and on mobile
The group I am with on the bridge is mostly from Cuba, Nicaragua, Haiti, and Venezuela.
They’re claiming asylum, and with their paperwork and appointment email in hand, they approach the border with some trepidation but mostly with excitement and joy.
Many have waited months for their appointment to come through after applying for asylum on the US Customs and Border Protection (CBP) app.
This group of a few hundred people on the bridge are now just a few steps from America.
As they shuffle forward, CBP guards check their papers, make sure there are no errors, and wave them through to the other side for their case interviews.
These families, these children, are about to start a new life.
Along the border here in Matamoros, there’s little sign of Donald Trump’s border wall, but he’d doubtless approve of the razor wire fortifications on the American side of the Rio Grande.
Experts here say there’s no doubt who those seeking asylum are backing in this election and this debate – and that’s Kamala Harris, who is seen to have a far less hostile approach to immigration.
“I think the best would be a flexible US immigration policy again, like President Biden’s when he began his administration,” Oscar Misael Hernandez-Hernandez said as we chatted alongside the dozens of cars and trucks crossing the border.
A professor of social anthropology at the El Colegio de la Frontera Norte research centre and an expert on Mexico-US border issues, he added: “Biden broke with ultra-conservative vision and immigration policy.
“So, I think if Harris implements a migration policy like this if she wins the presidency of the United States, it would be not only quite good for migrants in terms of human rights, but also quite good for international diplomacy, because the relations of the United States, at least with President Trump, if he wins, would be quite disastrous as they were in the past.”
In shelters and hostels across Mexico, many other migrant families simply have to wait for their border appointments.
It’s like a lottery, and it can take a long time for their number to come up.
Few leave the shelter; they would be easy prey for cartel gangs who would kidnap and hold them for ransom.
Marlen Cabrera, 39, from Honduras, and her family are waiting it out along with 200 others at the Casa del Migrante San Francisco de Asis shelter.
Any tightening of the immigration rules – as threatened by Donald Trump – would be a disaster for her.
I asked her what she would do if the laws changed with a Trump victory. She says she doesn’t like to think about what-ifs.
“I’ve been here so long, and not being able to get in would be hard because it’s the only option I have,” she said.
“I have to get in. It would be really terrible if we couldn’t. And I don’t just speak for myself, I speak for everyone here.”
Jose Valdivia, the Nicaraguan manager of the shelter, is even clearer.
“Everybody, since the last election, we all wanted the Democrats to win, right? Because the Democrats look out for the little guy,” he told me.
“That’s what everybody here as a migrant wants, we want the Democrats to win. No one wants Trump.”
Day in, day out, in any weather, the migrants line up for their appointment here at the border in Matamoros.
Along the almost 2,000-mile-long border separating Mexico and the United States, thousands of applicants are screened every day and allowed to enter America legally to start new lives in their new home country.
But these migrants are at the centre of one of the most divisive issues in America right now.
Since the summer, border restrictions introduced by the Biden administration, combined with assistance from Mexican authorities who hamper the movement of migrants to the border, has brought about a large reduction in the number of people illegally entering America.
Despite this, President Biden is widely considered to have failed on immigration, and while Kamala Harris’s team have been working hard to cast her as a sort of new candidate and a breath of fresh air, she is – whether they like it or not – part of this administration and is tainted by its perceived failures.
The latest polls suggest Donald Trump scores well on the immigration issue, and his team have been releasing pointed “attack ads” on Kamala Harris and her team on this subject. They in turn have released adverts attacking Trump.
In the debate itself, Trump is widely expected to try to nail Harris on immigration, and she will have to find a way to counter that.
Undoubtedly, she will point out that Trump’s supporters kiboshed a cross-party action plan for migration, but she is still tainted for certain.
While this will all play out in the political rough and tumble of the electoral process, it is important not to forget that thousands upon thousands of people will be affected by America’s future stance on immigration.
And for some asylum seekers, it is quite literally a matter of life and death.
Donald Trump says a meeting is being set up between himself and Vladimir Putin – and that he and Barack Obama “probably” like each other.
Republican US president-elect Mr Trump spoke to reporters at his Mar-a-Lago resort in Florida on Thursday, saying Russian president Mr Putin “wants to meet, and we are setting it up”.
“He has said that even publicly and we have to get that war over with. That’s a bloody mess,” Mr Trump said.
Kremlin spokesperson Dmitry Peskov said on Friday there was a “mutual desire” to set up a meeting – but added no details had been confirmed yet and that there may be progress once Mr Trump is inaugurated on 20 January.
“Moscow has repeatedly declared its openness to contacts with international leaders, including the US president, including Donald Trump,” Mr Peskov added.
“What is required is a mutual desire and political will to conduct dialogue and resolve existing problems through dialogue. We see that Mr Trump also declares his readiness to resolve problems through dialogue. We welcome this. There are still no specifics, we proceed from the mutual readiness for the meeting.”
More on Barack Obama
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Trump on Obama: ‘We just got along’
Mr Trump also made some lighter remarks regarding a viral exchange between himself and former Democrat President Barack Obamaat Jimmy Carter’s funeral on Thursday.
The pairsat together for the late president’s service in Washington DC on Thursday, and could be seen speaking for several minutes as the remaining mourners filed in before it began.
Mr Obama was seen nodding as his successor spoke before breaking into a grin.
Asked about the exchange, Mr Trump said: “I didn’t realise how friendly it looked.
“I said, ‘boy, they look like two people that like each other’. And we probably do.
“We have a little different philosophies, right? But we probably do. I don’t know. We just got along. But I got along with just about everybody.”
The amicable exchange comes after years of criticising each other in the public eye; it was Mr Trump who spread the so-called “birther” conspiracy theory about Mr Obama in 2011, falsely asserting that he was not born in the United States.
Mr Trump has repeatedly attacked the Obamas, saying the former president was “ineffective” and “terrible” and calling former first lady Michelle Obama “nasty” as recently as October last year.
On Kamala Harris’s campaign trail last year, Mr Obama said Mr Trump was a “78-year-old billionaire who has not stopped whining about his problems since he rode down his golden escalator nine years ago”, while the former first lady said that “the consequences of him ever being president again are brutally serious.”
Last year was the warmest on record, the first to breach a symbolic threshold, and brought with it deadly impacts like flooding and drought, scientists have said.
Two new datasets found 2024 was the first calendar year when average global temperatures exceeded 1.5C above pre-industrial levels – before humans started burning fossil fuels at scale.
What caused 2024 record heat – and is it here to stay?
Friends of the Earth called today’s findings from both the EU’s Copernicus Climate Change service and the Met Office “deeply disturbing”.
The “primary driver” of heat in the last two years was climate change from human activity, but the temporary El Nino weather phenomenon also contributed, they said.
The breach in 2024 does not mean the world has forever passed 1.5C of warming – as that would only be declared after several years of doing so, and warming may slightly ease this year as El Nino has faded.
But the world is “teetering on the edge” of doing so, Copernicus said.
Prof Piers Forster, chair of the UK’s Climate Change Committee, called it a “foretaste of life at 1.5C”.
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Dr Gabriel Pollen, Zambia’s national coordinator for disasters, said “no area of life and the economy is untouched” by the country’s worst drought in more than 100 years.
Six million people face starvation, critical hydropower has plummeted, blackouts are frequent, industry is “decimated”, and growth has halved, he said.
Paris goal ‘not obsolete’
Scientists were at pains to point out it is not too late to curb worse climate change, urging leaders to maintain and step up climate action.
Professor Forster said temporarily breaching 1.5C “does not mean the goal is obsolete”, but that we should “double down” on slashing greenhouse gas emissions and on adapting to a hotter world.
The Met Office said “every fraction of a degree” still makes a difference to the severity of extreme weather.
Copernicus director Carlo Buontempo added: “The future is in our hands: swift and decisive action can still alter the trajectory of our future climate”.
Climate action is ‘economic opportunity’
Copernicus found that global temperatures in 2024 averaged 15.10°C, the hottest in records going back to 1850, making it 1.60°C above the pre-industrial level during 1850-1900.
The Met Office’s data found 2024 was 1.53C above pre-industrial levels.
The figures are global averages, which smooth out extremes from around the world into one number. That is why it still might have felt cold in some parts of the world last year.
Greenpeace campaigner Philip Evans said as “the world’s most powerful climate denier” Donald Trump returns to the White House, others must “take up the mantle of global climate leadership”.
The UK’s climate minister Kerry McCarthy said the UK has been working with other countries to cut global emissions, as well as greening the economy at home.
“Not only is this crucial for our planet, it is the economic opportunity of the 21st century… tackling the climate crisis while creating new jobs, delivering energy security and attracting new investment into the UK.”
Photographs have captured the moments after a baby girl was born on a packed migrant dinghy heading for the Canary Islands.
The small boat was carrying 60 people and had embarked from Tan-Tan – a Moroccan province 135 nautical miles (250km) away.
One image shows the baby lying on her mother’s lap as other passengers help the pair.
The boat’s passengers – a total of 60 people, including 14 women and four children – were rescued by a Spanish coastguard ship.
Coastguard captain Domingo Trujillo said: “The baby was crying, which indicated to us that it was alive and there were no problems, and we asked the woman’s permission to undress her and clean her.
“The umbilical cord had already been cut by one of her fellow passengers. The only thing we did was to check the child, give her to her mother and wrap them up for the trip.”
The mother and baby were taken for medical checks and treated with antibiotics, medical authorities said.
Dr Maria Sabalich, an emergency coordinator of the Molina Orosa University Hospital in Lanzarote, said: “They are still in the hospital, but they are doing well.”
When they are discharged from hospital, the pair will be moved to a humanitarian centre for migrants, a government official said.
They will then most likely be relocated to a reception centre for mothers and children on another of the Canary Islands, they added.
Thousands of migrants board boats attempting to make the perilous journey from the African coast to the Spanish Canaries each year.
In 2024, a total of 9,757 people died on the route, according to Spanish migration charity Walking Borders.
Mr Trujillo said: “Almost every night we leave at dawn and arrive back late.
“This case is very positive, because it was with a newborn, but in all the services we do, even if we are tired, we know we are helping people in distress.”