Jane Hartley, the American ambassador to the U.K., commended the queen's commitment to service during an interview with Savannah Guthrie on NBC's "TODAY" show.

“I think she contributed a sense of dignity, a sense of commitment, a commitment to democracy, freedom, humanitarian concerns,” Hartley said.

“I must say when I met her, I was so taken personally by not only how substantive she was, because she cared deeply about policy and she cared deeply about what was happening in the world, but her sense of warmth and her sense of caring just came through immediately.”

The new monarch, Charles III, arrived in West London on Friday afternoon. He faces a packed schedule of events to commemorate his mother, Queen Elizabeth II, and he was accompanied by Camilla, the Queen Consort.

His plane touched down at RAF Northolt in West London just after 1:30 p.m. (8:30 a.m. ET) before he entered his official car to make the 30-minute journey to London.

LONDON — The Premier League has postponed its upcoming round of matches as a mark of respect following the death of Queen Elizabeth II, adding to the cancellation of high-profile golf, cricket and horse racing events across Britain on Friday.

England’s top-flight soccer clubs held a meeting Friday and said they wanted to “pay tribute to Her Majesty’s long and unwavering service to our country.”

“This is a tremendously sad time for not just the nation but also for the millions of people around the world who admired her,” Premier League chief executive Richard Masters said, “and we join together with all those in mourning her passing.”

The English Football League — the three divisions below the Premier League — also called off their games scheduled for the weekend.

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British Prime Minister Liz Truss led the tributes to Queen Elizabeth II as lawmakers gathered in the country’s Parliament to pay their respects.

“In the hours since last night’s shocking news, we have witnessed the most heartfelt outpouring of grief at the loss of Her late Majesty the Queen,” Truss said.

“Crowds have gathered, flags have been lowered to half-mast, tributes have been sent from every continent around the world,” she added.

Keir Starmer, the leader of the opposition Labour Party, said that the queen’s “legacy would live on forever.” He added that Elizabeth “played a crucial role as the thread between the history we cherish and the present we own.”

Charles technically became king the moment Queen Elizabeth II died, but he will be formally pronounced the new monarch at 10 a.m. (5 a.m. ET) at an accession council at St. James's Palace on Saturday.

The accession council is attended by members of the Privy Council, who are advisers to the monarch on matters of the state. The ceremony is split into two parts: First, the council will proclaim Charles the king without his attendance, and, in a follow-up ceremony, he will join them and swear to uphold the church in Scotland and swear to continue the running of government.

At 11 a.m. (6 a.m. ET), the first public proclamation of the new monarch will be read from a balcony in St. James's Palace by the Garter King of Arms, in the presence of the earl marshal and the serjeant-at-arms, who are ceremonial officers of the crown and the Parliament. Following this first public proclamation, similar ceremonies will follow suit in Scotland, Northern Ireland and Wales.

During the proclamation of the new monarch, flags will temporarily fly at full-staff, although they will be returned to half-staff after the ceremony to reflect the period of national mourning.

Speaking to the House of Commons, Boris Johnson delivered what some called a moving tribute to the queen.