Tributes have flooded social media as the news of Prince Philip's death at the age of 99 was shared by Buckingham Palace.
"It is with deep sorrow that Her Majesty The Queen has announced the death of her beloved husband, His Royal Highness The Prince Philip, Duke of Edinburgh," a statement read.
Balmoral Castle marked the death with a black square on Twitter, while politicians including Australian Prime Minister Scott Morrison, former Prime Minister Julia Gillard, as well as celebrities and TV personalities shared their thoughts online.
In a statement shared online, Scott Morrison wrote Prince Philip "embodied a generation that we will never see again."
"Prince Philip was no stranger to Australia having visited the country on more than 20 occasions," the message continued.
"Further details about Australia's remembrance of Prince Philip will be announced over the coming days."
Julia Gillard said his loss would be mourned "by the Queen, his family and millions around the world."
"I have fond memories of spending time with Prince Philip during his visit to Australia at the time of CHOGM in Perth. While a man of duty, he had a sense of fun," she said.
Aussie actress Magda Szubanski took to Twitter to share a tribute saying her "heart goes out to Her Majesty".
"R.I.P. Prince Philip. My heart goes out to Her Majesty and the rest of the Royal Family. It will be so strange and sad to see The Queen without her beloved consort two paces behind her all the way," Magda wrote.
Controversial British media personality Piers Morgan called Prince Philip and "absolute rock".
"RIP Prince Philip, 99. A truly great Briton who dedicated his life to selfless public duty & was an absolute rock of devoted support to Her Majesty, The Queen, as the longest-serving royal consort to any British sovereign," he wrote.
"A very sad day for our country. Thank you, Sir."
British musician and former The Voice AU coach Boy George as well as Spice Girl Geri Halliwell also shared tributes.
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