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The King of Tonga has died in Hong Kong, sparking an outpouring of grief in the Pacific nation.
King George Tupou V, 63, went into an intensive care unit in a Hong Kong hospital about 10 days ago but his condition rapidly deteriorated and he died last night.
Last year, the King was reportedly diagnosed with cancer and flew to the US to have a tumour removed. A close friend of Tupou told the New Zealand Herald he had a liver transplant but was given a clean bill of health.
The Tongan Government confirmed his passing on Tongan radio this morning. A statement from the government is expected later this morning.
He made the headlines in New Zealand last year while trying to sell the official royal residence in Auckland.
Known for his extravagant lifestyle, the King rarely visited Auckland and when he did preferred upmarket hotels to the $9 million Epsom residence, known as 'Atalanga', which protesters stopped him from selling.
Tongan media reported that he met Pope Benedict XVI on February 24 in the Vatican in Rome - and gave the Pope a signed picture of himself.
The news of the King's death spread quickly on Twitter early today, and many Tongans paid tribute.
Christinah Lataisia said: "Black and Purple begin to flood the fales in Tonga to mourn the passing away of our King."
Tessi Leila Tolutau said: "I am saddened by the news, our beloved King of Tonga has passed away ... our country has gone thru major losses in the past couple years."
Another resident said: "Sad day for our little Kingdom of Tonga. RIP King George Tupou V."
King Tupou took reign after the death of his father, King Taufa'ahau Tupou IV, in 2006.
In 2008 he marked his coronation with a $3 million, five-day event which was attended by thousands of people, including the Sultan of Brunei and then New Zealand Prime Minister Helen Clark.
Ms Clark also paid tribute to the late monarch on Twitter.
"Sad news for Tonga with the death of King George Tupou V. I attended his coronation in Nuku'alofa in 2008. RIP."
Three days before his coronation, the King announced that he would relinquish most of his power and be guided by his Prime Minister's recommendations on most matters.
Shortly after his coronation, he appointed his younger brother, Prince 'Ulukalala Lavaka Ata, as Crown Prince and heir to the throne.
The Prince was at the King's bedside in Hong Kong when he died.
In September last year, the King received the Grand Cross of the Order of Merit of the Hungarian Republic from Hungarian president Pal Schmitt.
In February he received the Knight Grand Cross of the Royal Order of Francis I from Prince Carlo, Duke of Castro.
His interests were described as being wide and varied and included everything from documentary-making to walking his pet poodle and playing war games with toy-soldiers.
He was also known for wearing a monocle and pith helmets.
, the king of Tonga, has died after ten days in intensive care in a Hong Kong hospital. The 63-year-old brought democracy to his nation of 115,000 people.

The reformist swore into power in 2006 but his coronation was pushed back two years in the wake of  rioting. Eight died in violence stirred up in response to perceived inadequacy in the pace of reforms. 
The King opted to be driven around in a London taxi.
After another two years he made good on a promise to end feudal rule after 165 years, introducing a democratically elected parliament in 2010. Although the public chose nine representatives, he appointed the rest of the 33 that formed the parliament. He also picked the cabinet.

Thousands attended his 2008 coronation, including foreign leaders and hundreds of nobles. Outside his nation of islands, he was known as an eccentric who wore monocles and s, was chauffeured in a , and used model sailboats on his swimming pool.

King Tupou V has twice undergone surgery in the last year, once to remove a kidney and once to undergo a liver transplant. Unmarried, his younger brother Crown Prince  is next in line to the throne. Crown Prince Lavaka was at the King's bedside when he died.