AMNA NAWAZ: In the day's other headlines: National weather officials are warning of significant and potentially life-threatening flash flooding across the Gulf Coast and Southeastern U.S.

as the remnants of Tropical Storm Arthur sweep across the region.

In Mississippi, strong winds dislodged this storage trailer and some areas in the state have seen about a foot of rain.

The governor says there's been at least one storm-related death.

Also today: MAN: Unbelievable.

AMNA NAWAZ: Louisiana is under a state of emergency, as floods destroy homes and threaten lives and even livestock.

These pigs were plunged into a powerful current.

Their owner says they are now safe.

In the U.K., at least one person has died after two trains collided north of London this evening.

Aerial footage shows what looks to be the front of one train entangled with the back of another with emergency personnel attending to the scene.

Police say that a number of people have been injured, but at last check provided no further details on casualties.

According to rail tracking Web sites, both trains were traveling south when they collided outside the town of Bedford about 60 miles north of London.

Also today, British Prime Minister Keir Starmer said he would not -- quote -- "walk away" from any threat to his leadership after his chief rival within the Labor Party won a seat in Parliament.

(CHEERING) AMNA NAWAZ: Andy Burnham's victory alongside some festively dressed fellow candidates is a major step towards challenging Starmer as head of the party and leader of the country.

Burnham has been the mayor of Greater Manchester and is known as the King of the North.

At a victory rally today, Burnham told supporters about his plans to address the nation's affordability crisis and to alter the nation's politics.

ANDY BURNHAM, U.K.

Parliament Member: It is our last chance to change but we're going to take it, aren't we?

We are going to take that opportunity and we are going to lay out a new path for Britain.

AMNA NAWAZ: Starmer congratulated Burnham on his win, but told the BBC that an intraparty contest would plunge Britain into what he called chaos.

The prime minister's future has been in question since his party suffered bruising losses in local elections last month.

Italy's foreign minister has canceled a trip to the U.S.

amid a broader pushback against President Trump's comments about the country's Prime Minister Giorgia Meloni.

In an interview with an Italian broadcaster, Trump claimed that Meloni begged him for a photo-op at the recent G7 summit in France and that he felt sorry for her.

Meloni fired back on social media, saying: "Italy and I do not beg."

GIORGIA MELONI, Italian Prime Minister (through translator): Some things deserve an immediate response.

Donald Trump's statements are completely made up.

I am, frankly, astonished.

I don't know why the president of the United States behaves like this towards his allies.

It is not the first time.

AMNA NAWAZ: The right-wing Meloni had been considered one of Trump's closest political allies in Europe, but their relationship has been strained by Meloni's refusal to back Trump's war in Iran.

There's been a flu outbreak at an Air Force base in Texas just weeks after Defense Secretary Pete Hegseth ended mandatory vaccines for service members.

Multiple media outlets are reporting there are more than 150 cases at Lackland Air Force Base at Joint Base San Antonio.

An Air Force spokesperson is cited as calling the outbreak localized and saying mitigation measures are in place.

In April, Hegseth announced that he was rolling back a decades-old mandate requiring that U.S.

military personnel get an annual flu shot, saying the mandate was -- quote -- "overly broad."

In New York City, the union representing horse-drawn carriage drivers says rides are on hold until at least Tuesday after a young tourist was killed.

The pause is intended to allow time to review safety protocols after 18-year-old Romanch Mahajan died this week after hitting his head when the horse of the carriage he was riding in bolted.

Authorities believe he's the first person to die in such an accident since the rides were introduced more than 150 years ago.

But it is the eighth horse-related incident in the park in just over a year, and it's raised new calls to ban the practice.

Financial markets were closed today in honor of the Juneteenth holiday.

It marks the date in 1865 when Union troops arrived in Texas with an order declaring that the state's enslaved people were free more than two years after the Emancipation Proclamation.

Former President Joe Biden signed a bill making it a national holiday five years ago, and it's often marked with parades, music and fireworks at events across the country.

And legendary TV director James Burrows has died.

Over a five-decade career he brought us some of the most iconic sitcoms in history.

On shows like "Cheers," which he co-created, Burrows set a tone of humor and heart, giving viewers quick one-liners, memorable characters and places where, yes, everybody knows your name.

The 11-time Emmy winner also directed every episode of "Will & Grace" during its original run, plus shows like "Taxi," "Frasier," and "Friends," among others.

In a statement, his family said Burrows -- quote -- "helped shape generations of comedy and brought immeasurable joy to audiences around the world."

James Burrows was 85 years old.

Still to come on the "News Hour": David Brooks and Jonathan Capehart weigh in on the week's news; a look at one artist's mission to capture the joy of the Black American experience; the U.S.

sets its sights on World Cup success after today's win against Australia.