Tributes have been paid to Prince Philip from Commonwealth leaders and others around the world.
The Duke of Edinburgh died on Friday morning at Windsor Castle at the age of 99.
Canada's Prime Minister Justin Trudeau described Prince Philip as a "man of great purpose and conviction".
"Prince Philip contributed so much to the social fabric of our country - and the world," he tweeted.
"He will be remembered as a decorated naval officer, a dedicated philanthropist, and a constant in the life of Queen Elizabeth II.
"The thoughts of all Canadians are with her and the entire Royal Family as they mourn this significant loss."
Australia's Prime Minister Scott Morrison said in a statement: "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 program.
"Australians send our love and deepest condolences to her Majesty and all the Royal Family."
Indian Prime Minister Narendra Modi, said: "He had a distinguished career in the military and was at the forefront of many community service initiatives. May his soul rest in peace."
Former US president George W Bush has praised the Duke of Edinburgh's devotion to worthy causes and to others.
In a statement issued on behalf of himself and his wife Laura, Mr Bush said: "He represented the United Kingdom with dignity and brought boundless strength and support to the sovereign.
"Laura and I are fortunate to have enjoyed the charm and wit of his company, and we know how much he will be missed."
"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."