She will visit the world-renowned Center on the Developing Child as part of her efforts to promote the importance of early years care.
Sources close to the princess said she is “passionate” about the subject and has been hoping to visit researchers at Harvard for some time.
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Image: The royals yesterday visited Roca – an organisation that helps high-risk young people
In a different part of the city, Prince William will visit the John F Kennedy Presidential Library, where President Biden will formally greet him.
He will be given a tour of the museum by Caroline Kennedy, the daughter of JFK.
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William will learn about President Kennedy’s Moonshot prize, which challenged America to put a man on the moon. It’s also the inspiration for the prince’s environmental Earthshot Prize.
The day will culminate with the star-studded Earthshot ceremony, where five winners will win prizes of £1m to help further their work tackling the climate crisis.
Image: Billie Eilish will headline the entertainment at the Earthshot ceremony
This year there are two UK finalists, including Notpla, which makes a seaweed-based alternative to plastic packaging, and Low Carbon Materials, a company working on environmentally friendly building materials.
US President Donald Trump has revoked Secret Service protection for former vice president and 2024 Democratic rival Kamala Harris.
A senior adviser to Harris, Kirsten Allen, confirmed the decision. “The vice president is grateful to the United States Secret Service for their professionalism, dedication, and unwavering commitment to safety,” said the adviser.
Typically, vice presidents receive a six-month security detail from the Secret Service after they leave office, although it had been extended to 18 months for Harris, according to officials.
Initially, then-president Joe Biden extended her security arrangements to one year, or January 2026, according to reports.
However, a Secret Service official told Sky News’ US partner, NBC, that Biden subsequently signed an executive memorandum in January increasing the then vice-president’s protection period even further, to 18 months.
Former US presidents receive Secret Service protection for life.
Harris, who lost the 2024 presidential election to Mr Trump, is due to start a book tour for her memoir, “107 Days”, shortly.
She was the Democratic nominee for 107 days after Biden exited the race in the weeks following a challenging debate against Trump.
Mr Trump has also ended federal security protection for others, including former national security adviser John Bolton. Last week, FBI agents raided Bolton’s Maryland home.
In March, the president ended protection for Joe Biden’s children – Hunter and Ashley Biden.
Harris has not ruled out a possible presidential run in 2028. She announced in July that she would not run for governor of California in 2026.
Eighteen other people were injured, including children aged between six and 15 and three adults in their 80s.
Police said Robin Westman, a male born as Robert Westman, opened fire with a rifle through the windows of the school’s church as children sat in pews.
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17:49
New details released of US school shooting
‘Our hearts are broken’
Harper’s parents, Michael Moyski and Jackie Flavin, remembered her as “a bright, joyful, and deeply loved 10-year-old whose laughter, kindness, and spirit touched everyone who knew her”.
“Our hearts are broken not only as parents, but also for Harper’s sister, who adored her big sister and is grieving an unimaginable loss. As a family, we are shattered, and words cannot capture the depth of our pain,” their statement said.
They urged leaders and communities to “take meaningful steps to address gun violence and the mental health crisis in this country.”
“Change is possible, and it is necessary – so that Harper’s story does not become yet another in a long line of tragedies,” the statement added.
Image: The family of Fletcher Merkel said there was a ‘hole in our hearts’. Pic: Family handout/AP
‘Fletcher loved his family’
In a statement reported by Sky’s US partner network NBC News, Fletcher’s father Jesse Merkel blamed the “coward” killer for why the boy’s family can’t “hold him, talk to him, play with him, and watch him grow into the wonderful young man he was on the path to becoming”.
He said: “Fletcher loved his family, friends, fishing, cooking, and any sports that he was allowed to play.
“While the hole in our hearts and lives will never be filled, I hope that in time, our family can find healing.”
Mr Merkel also praised “the swift and heroic actions of children and adults alike from inside the church”.
“Without these people and their selfless actions, this could have been a tragedy of many magnitudes more. For these people, I am thankful,” he added.
Image: Families and loved ones reunite at the scene after the shooting. Pic: Reuters
Mayor calls for assault weapon ban
It comes after Minneapolis mayor Jacob Frey called for a statewide and federal ban on assault weapons, a day after the deadly school shooting.
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6:34
Minneapolis mayor urges assault weapons ban
“Thoughts and prayers are not going to cut it. It’s on all of us to see this through,” the mayor said at a news conference. “We need a statewide and a federal ban on assault weapons.
“We need a statewide and a federal ban on high-capacity magazines. There is no reason that someone should be able to reel off 30 shots before they even have to reload.
“We’re not talking about your father’s hunting rifle gear. We’re talking about guns that are built to pierce armour and kill people.”
“It is very clear that this shooter had the intention to terrorise those innocent children,” he added, before saying the killer “fantasised” about the plans of other mass shooting attackers and wanted to “obtain notoriety”.
Thomas Klemond, interim CEO of Minneapolis’s main trauma hospital Hennepin Healthcare, said at an earlier news conference that the hospital was treating nine patients injured in the shooting.
One child at the hospital was in a critical condition, he added.
Children’s Minnesota Hospital also said that three children remain in its care as of Thursday morning.
Police have released new details about the killer in the US Catholic school shooting – including that they “idolised” mass murderers and they wanted to “watch children suffer”.
Two children, aged eight and 10, were killed during mass at Annunciation Catholic School in Minneapolis on Wednesday.
Eighteen other people were injured, including children aged between six and 15 and three adults in their 80s.
Police said Robin Westman, a male born as Robert Westman, opened fire with a rifle through the windows of the school’s church as children sat in pews.
Image: Robin Westman
Almost 120 rifle rounds fired, police chief says
In a news conference on Thursday, Minneapolis Police Chief Brian O’Hara said the attacker fired 116 rifle rounds into the church.
“It is very clear that this shooter had the intention to terrorise those innocent children,” he added.
The police chief said the killer “fantasised” about the plans of other mass shooting attackers and wanted to “obtain notoriety”.
When asked about the attacker obtaining the firearms used legally, Mr O’Hara said that they did not have a criminal history or any diagnosed mental health disorders.
While they had potentially concerning social media posts, the police chief added that there was no evidence to suggest that Westman was legally barred from purchasing a firearm.
Image: People mourn outside the Annunciation Catholic School in Minneapolis. Pic: Reuters
Suspect ‘wanted to watch children suffer’
Joe Thompson, acting US attorney for Minnesota, also said evidence recovered of the killer’s plans showed “pure indiscriminate hate” and that they “idolised some of the most notorious school shooters and mass murderers in our country’s history”.
“I won’t dignify the shooter’s words by repeating them,” Mr Thompson added. “They are horrific and vile, but in short, the shooter wanted to watch children suffer.”
Earlier, the mayor of Minneapolis called for a statewide and federal ban on assault weapons after the deadly attack, saying “thoughts and prayers are not going to cut it”.
“There is no reason that someone should be able to reel off 30 shots before they even have to reload,” Jacob Frey said.
“We’re not talking about your father’s hunting rifle gear. We’re talking about guns that are built to pierce armour and kill people.”
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6:34
Minneapolis mayor urges assault weapons ban
Thomas Klemond, interim CEO of Minneapolis’s main trauma hospital Hennepin Healthcare, said at a news conference that the hospital was treating nine patients injured in the shooting.
One child at the hospital was in a critical condition, he added.
Children’s Minnesota Hospital also said that three children remain in its care as of Thursday morning.
In a post on Facebook, the hospital said “there are no words to describe the overwhelming pain many are feeling”, adding: “We feel that pain with you.
“To the entire Annunciation community, you have our deepest condolences. During this time of unimaginable grief and loss, we want you to know that we at Children’s Minnesota are with you.
“We will always be here to care for you. And in this moment, we hurt alongside you.”