British Prime Minister Boris Johnson paid tribute to Prince Philip, who died this morning, saying the country would mourn with the royal family and Queen Elizabeth, who had lost her "strength and stay of more than 70 years".
"We remember the duke ... above all for his steadfast support for Her Majesty the Queen, not just as her consort, by her side, every day of her reign, but as her husband, her strength and stay of more than 70 years," Mr Johnson said.
"And it is to Her Majesty, and her family, that our nation's thoughts must turn today."
Speaking from a podium in Downing Street, Mr Johnson said: "He (Philip) was an environmentalist, and a champion of the natural world long before it was fashionable.
"With his Duke of Edinburgh awards scheme he shaped and inspired the lives of countless young people and at literally tens of thousands of events he fostered their hopes and encouraged their ambitions.
"We remember the duke for all of this and above all for his steadfast support for Her Majesty the Queen.
"Not just as her consort, by her side every day of her reign, but as her husband, her 'strength and stay', of more than 70 years.
"And it is to Her Majesty, and her family, that our nation's thoughts must turn today.
"Because they have lost not just a much-loved and highly respected public figure, but a devoted husband and a proud and loving father, grandfather and, in recent years, great-grandfather."
Scotland's First Minister Nicola Sturgeon said she is saddened by the news of the death of the Duke of Edinburgh.
In a post on Twitter, she expressed her "personal and deepest condolences" to Her Majesty The Queen and her family."
I am saddened by news that the Duke of Edinburgh has died. I send my personal and deepest condolences - and those of @scotgov and the people of Scotland - to Her Majesty The Queen and her family. https://t.co/G7ocXXOH2U
— Nicola Sturgeon (@NicolaSturgeon) April 9, 2021
Britain's Labour leader said in a statement: "The United Kingdom has lost an extraordinary public servant in Prince Philip.
"Prince Philip dedicated his life to our country - from a distinguished career in the Royal Navy during the Second World War to his decades of service as the Duke of Edinburgh.
"However, he will be remembered most of all for his extraordinary commitment and devotion to the Queen.
"For more than seven decades, he has been at her side. Their marriage has been a symbol of strength, stability and hope, even as the world around them changed - most recently during the pandemic. It was a partnership that inspired millions in Britain and beyond.
"My thoughts are with the Queen, the Royal Family and the British people as our nation comes together to mourn and remember the life of Prince Philip."
Archbishop of Canterbury Justin Welby said in a statement: "I join with the rest of the United Kingdom and the Commonwealth in mourning the loss of His Royal Highness Prince Philip, The Duke of Edinburgh, and give thanks to God for his extraordinary life of dedicated service. Prince Philip continually demonstrated his unfailing support and unstinting loyalty to Her Majesty The Queen for 73 years.
"He consistently put the interests of others ahead of his own and, in so doing, provided an outstanding example of Christian service. During his naval career, in which he served with distinction in the Second World War, he won the respect of his peers as an outstanding officer.
"On the occasions when I met him, I was always struck by his obvious joy at life, his enquiring mind and his ability to communicate to people from every background and walk of life. He was a master at putting people at their ease and making them feel special.
"I pray that God will comfort Her Majesty and the rest of the Royal Family at this time. May His Royal Highness rest in peace and rise in glory
Australian Prime Minister Scott Morrison said in a statement: "For nearly 80 years, Prince Philip served his Crown, his country and the Commonwealth.
"His Royal Highness The Duke of Edinburgh was, in the words of Her Majesty, her 'strength and stay'.
"He embodied a generation that we will never see again.
"Beginning as a naval cadet in 1939, he served in war and in peace. When Her Majesty ascended the throne,
The Duke ended his military service and became her constant support.
"Prince Philip was no stranger to Australia, having visited our country on more than 20 occasions.
"Through his service to the Commonwealth he presided as patron or president of nearly 50 organisations in Australia. Given his own service, Prince Philip also had a strong connection with the Australian Defence Force.
"For 65 years, The Duke of Edinburgh's Award scheme has encouraged over 775,000 young Australians to explore their leadership potential. Forty thousand young Australians are currently participating in the programme.
"Australians send our love and deepest condolences to her Majesty and all the Royal family. The Commonwealth family joins together in sorrow and thanksgiving for the loss and life of Prince Philip. God bless from all here in Australia.
"Further details about Australia's remembrance of Prince Philip will be announced over coming days. Flags will be lowered in honour of His Royal Highness."
