Queen Elizabeth, Britain's longest-reigning monarch and the nation's figurehead for seven decades, has died aged 96, Buckingham Palace said on Thursday.
Here is some reaction to the news:
UAE PRESIDENT HIS HIGHNESS SHEIKH MOHAMED BIN ZAYED AL NAHYAN: "I extend my sincere condolences to the family of Queen Elizabeth II and the people of the UK. Her Majesty was a close friend of the UAE and a beloved & respected leader whose long reign was characterised by dignity, compassion & a tireless commitment to serving her country".
UAE VICE PRESIDENT HIS HIGHNESS SHEIKH MOHAMMED BIN RASHID AL MAKTOUM: "We join the world in mourning the passing of Her Majesty Queen Elizabeth, a global icon who represented the finest qualities of her nation and people. Her incredible lifetime of service and duty to the United Kingdom is unparalleled in our modern world."
US PRESIDENT JOE BIDEN: "Queen Elizabeth II was a stateswoman of unmatched dignity and constancy who deepened the bedrock alliance between the United Kingdom and the United States," Biden and US First Lady Jill Biden said in a statement.
"In the years ahead, we look forward to continuing a close friendship with the king and the queen consort," they said, referring to Elizabeth's son and heir King Charles and his wife.
"Today, the thoughts and prayers of people all across the United States are with the people of the United Kingdom and the Commonwealth in their grief," they said.
UN SECRETARY-GENERAL ANTONIO GUTERRES: "As the United Kingdom's longest-lived and longest-reigning Head of State, Queen Elizabeth II was widely admired for her grace, dignity, and dedication around the world. She was a reassuring presence throughout decades of sweeping change, including the decolonization of Africa and Asia and the evolution of the Commonwealth.
"Queen Elizabeth II was a good friend of the United Nations, and visited our New York Headquarters twice, more than fifty years apart. She was deeply committed to many charitable and environmental causes and spoke movingly to delegates at the COP26 climate talks in Glasgow.
"I would like to pay tribute to Queen Elizabeth II for her unwavering, lifelong dedication to serving her people. The world will long remember her devotion and leadership."
INDIAN PRIME MINISTER NARENDRA MODI: "Her Majesty Queen Elizabeth II will be remembered as a stalwart of our times. She provided inspiring leadership to her nation and people. She personified dignity and decency in public life. Pained by her demise. My thoughts are with her family and people of UK in this sad hour."
CANADIAN PRIME MINISTER JUSTIN TRUDEAU: "It was with the heaviest of hearts that we learned of the passing of Canada's longest-reigning Sovereign, Her Majesty Queen Elizabeth II. She was a constant presence in our lives and her service to Canadians will forever remain an important part of our country's history."
SPANISH PRIME MINISTER PEDRO SANCHEZ: "My condolences to the entire royal family, the government and the people of the United Kingdom and the Commonwealth on the passing of Queen Elizabeth II," he wrote on Twitter.
"A figure of global significance, witness and author of British and European history."
AUSTRALIAN PRIME MINISTER ANTHONY ALBANESE: "Australian hearts go out to the people of the United Kingdom", Albanese said. "An historic reign and a long life devoted to duty, family, faith and service has come to an end."
WHITE HOUSE PRESS SECRETARY KARINE JEAN-PIERRE: "(our) hearts and our thoughts go to the family members of the Queen, (go) to the people of the United Kingdom ... Our relationship with the people in the United Kingdom, and this is something the president has said himself, has grown stronger and stronger."
US SENATE REPUBLICAN LEADER MITCH MCCONNELL: For 70 long years, from the aftermath of World War II well into the 21st century, across 15 different Prime Ministers, through great triumphs and great challenges, the Queen's steady leadership safeguarded the land she loved. Despite spending nearly three quarters of a century as one of the most famous and admired individuals on the planet, the Queen made sure her reign was never really about herself " not her fame, not her feelings, not her personal wants or needs. She guided venerable institutions through modern times using timeless virtues like duty, dignity, and sacrifice. She offered our contemporary world a living master class it needed badly."
EUROPEAN COUNCIL PRESIDENT CHARLES MICHEL: "Our thoughts are with the royal family and all those who mourn Queen Elizabeth II in the UK and worldwide. Once called Elizabeth the Steadfast, she never failed to show us the importance of lasting values in a modern world with her service and commitment.
EU FOREIGN POLICY CHIEF JOSEP BORRELL: "Queen Elizabeth Il's remarkable reign oversaw key events of the 20th & 21st century. The EU pays tribute to her unique contribution to building peace & reconciliation. While her loss will be felt around the world, our immediate thoughts are with her family & the people of the UK."
CHINESE PRESIDENT XI JINPING: "Queen Elizabeth II won wide acclaim as Britain's longest-reigning monarch. She was the first British monarch to visit China, and her death is a great loss to the British people."
NEW ZEALAND PRIME MINISTER JACINDA ARDERN: "Young or old, there is no doubt that a chapter is closing today, and with that we share our thanks for an incredible woman who we were lucky enough to call our Queen. She was extraordinary."
RUSSIAN PRESIDENT VLADIMIR PUTIN: "The Queen rightfully enjoyed the love and respect of her subjects, as well as authority on the world stage. I wish you (King Charles III) courage and resilience in the face of this difficult, irreparable loss. May I ask you to pass on sincere condolences and support to members of the royal family and the entire people of Great Britain."
DUTCH KING WILLEM-ALEXANDER: "We remember Queen Elizabeth II with deep respect and great affection. Steadfast and wise, she dedicated her long life to serving the British people. We feel a strong bond with the United Kingdom and its royal family, and we share their sorrow at this time."
PAKISTAN PM SHEHBAZ SHARIF: "Deeply grieved at the passing of Her Majesty Queen Elizabeth II. Pakistan joins the UK & other Commonwealth nations in mourning her death. My heartfelt condolences to the Royal Family, people & government of the UK."
SRI LANKAN PRESIDENT RANIL WICKREMESINGHE: "Deepest condolences to the Royal family, government and people of the UK on the passing of HM Queen Elizabeth II," Wickremesinghe said in a statement.
BANGLADESH PM SHEIKH HASINA: She offered Britain's royal family "heartfelt and deep sympathies" over the death of Queen Elizabeth II, her spokesman said.
The leader of Bangladesh "offered her deep condolences and expressed her sorrow at the death of Queen Elizabeth II", her spokesman Hasan Jahid Tusher added.
THE ROYAL HOUSE OF NORWAY: "The Royal Family is deeply saddened to receive the news that Her Majesty Queen Elizabeth II has passed away."
GERMAN PRESIDENT FRANK-WALTER STEINMEIER: "Queen Elizabeth II is a woman who shaped the century. She witnessed and written the contemporary history."
GERMAN FOREIGN MINISTER ANNALENA BAERBOCK: "She was a source of strength and confidence to her country for almost 100 years. Germany will remain eternally grateful to her for reaching out to us for reconciliation after the terror of World War II."
ITALIAN PRIME MINISTER MARIO DRAGHI: "Queen Elizabeth was a major player in world history over the last seventy years. She represented the United Kingdom and the Commonwealth with balance, wisdom, respect for institutions and democracy. She has been the most beloved symbol of her country and has garnered respect, affection and warm feelings everywhere. She ensured stability in times of crisis and kept the value of tradition alive in a society in constant and profound evolution.
"Her spirit of service, her dedication to the United Kingdom and the Commonwealth, the profound dignity with which she has held office for such a long time have been an unceasing source of admiration for generations."
FRENCH PRESIDENT EMMANUEL MACRON: "Her Majesty Queen Elizabeth II embodied the British nation's continuity and unity for over 70 years. I remember her as a friend of France, a kind-hearted queen who has left a lasting impression on her country and her century."
CZECH PRIME MINISTER PETR FIALA "I am deeply saddened by the death of Her Majesty the Queen, Elizabeth II. Sending heartfelt and sincere condolences to the Royal family and the British people and the people of the Commonwealth."
CZECH PRIME MINISTER PETR FIALA: "I am deeply saddened by the death of Her Majesty the Queen, Elizabeth II. Sending heartfelt and sincere condolences to the Royal family and the British people and the people of the Commonwealth."
POLISH PRESIDENT ANDRZEJ DUDA: "My deepest condolences to the Royal Family and all the British people on passing of Her Majesty The Queen. For decades she has been an embodiment of everything that makes Britain truly Great. She will be missed and remembered in Poland and all over the world."
UKRAINIAN PRESIDENT VOLODYMYR ZELENSKIY: "It is with deep sadness that we learned of the death of Her Majesty Queen Elizabeth II. On behalf of the UA people, we extend sincere condolences to the @RoyalFamily, the entire United Kingdom and the Commonwealth over this irreparable loss.
Our thoughts and prayers are with you."
CHIEF MINISTER OF GIBRALTAR FABIAN PICARDO: "The People of Gibraltar will mourn Her Majesty as a monarch who has reigned wisely and with incomparable dedication throughout the period of our post-war emergence as a part of the British family of nations." "The People of Gibraltar and the Government proclaim their loyalty to the Crown of the United Kingdom of Great Britain and Northern Ireland and to His Majesty The King."
HOUSE OF COMMONS SPEAKER LINDSAY HOYLE: "For all of us, the Queen has been a constant presence in our lives as familiar as a member of the family, yet one who has exercised a calm and steadying influence over our country.
Most of us have never known a time when she was not there. Her death is not only a tragedy for the Royal family, but a terrible loss for us all."
FORMER BRITISH PRIME MINISTER JOHN MAJOR: 'We have all lost someone very precious to us and, as we mourn, we should be grateful that we were blessed with such an example of duty and leadership for so very many years."