Ukrainian President Volodymyr Zelensky says he will mourn the “irreparable loss” left by Queen Elizabeth’s death.
He joins a raft of world leaders who paid tribute to Britain’s longest-reigning monarch, who died peacefully at Balmoral on Thursday.
Writing on Twitter, Ukraine’s Jewish head of state said: “It is with deep sadness that we learned of the death of Her Majesty Queen Elizabeth II.
“On behalf of the [Ukrainian] 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.”
American President Joe Biden said: “Queen Elizabeth II was a stateswoman of unmatched dignity and constancy who helped make our relationship special.”
French President Emmanuel Macron said: “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.”
Touching messages also flowed in from across the Commonwealth.
Canadian Prime Minister Justin Trudeau said: “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.”
In India, Prime Minister Narendra Modi said: “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.”
Fellow European royals spoke of their personal sense of loss following the passing of the 96-year-old monarch.
Dutch King William Alexander said: “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.”
In a statement, the Royal House of Norway said: “The Royal Family is deeply saddened to receive the news that Her Majesty Queen Elizabeth II has passed away.”
