World leaders on Friday extended condolences over the demise of United Arab Emirates (UAE) President Sheikh Khalifa bin Zayed Al Nahyan.
The UAE will observe 40-day mourning, during which flags will be flown at half-mast, while work will be suspended across the public and private sectors for three days.
Al Nahyan was buried in the Al-Batin Cemetery in Abu Dhabi after the funeral prayer on Friday.
Queen Elizabeth II said she was saddened to hear about the death of Al Nahyan, who "devoted his life to serving the people of the United Arab Emirates and his relationship with its allies and friends."
She also extended "sincere condolences" and her sympathy to the people of the UAE, noting that: "He will be long remembered by all who work for regional stability, understanding between nations and between faiths, and for the conservation cause."
In a written statement, US President Joe Biden said he was "deeply saddened" to learn of the passing away of Al Nahyan.
"Sheikh Khalifa was a true partner and friend of the United States throughout his decades-long tenure as President of the United Arab Emirates and Ruler of Abu Dhabi, and in his earlier role as Crown Prince of Abu Dhabi. On behalf of the American people, I offer my condolences to Sheikh Khalifa's family and all Emiratis as they mourn this great loss," he said.
Biden stressed that they will honor Al Nahyan's memory by continuing to strengthen the longstanding ties between the governments and people of the US and the UAE.
US Secretary of State Antony Blinken on Twitter expressed "deep sadness" at the passing away of Al Nahyan, noting that he was a "friend of the United States and will be missed."
"We are heartbroken by the news of the death of Sheikh Khalifa bin Zayed Al Nahyan, President of the United Arab Emirates," French President Emmanuel Macron wrote in a tweet in Arabic.
"I express my sympathy to his brother, Sheikh Mohammed bin Zayed Al Nahyan, crown prince of Abu Dhabi and deputy supreme commander of the UAE armed forces, his family, and the people of the Emirates," he added.
Austrian Chancellor Karl Nehammer expressed his "sincere condolences" on the passing away of the UAE's second president.
"Sheikh Khalifa bin Zayed Al Nahyan has shown impressive leadership and provided safety and security to the whole region. Our thoughts are with his family and with the citizens of the UAE," said Nehammer.
Paraguay's President Mario Abdo Benitez also condoled the death of Al Nahyan.
"We extend our condolences to His Highness Sheikh Mohammed bin Rashid Al Maktoum, Vice President, Prime Minister, and Ruler of Dubai, His Highness Sheikh Mohamed bin Zayed Al Nahyan, Crown Prince of Abu Dhabi and Deputy Supreme Commander of the UAE Armed Forces, and to the Emirati people, upon the passing of the President of the United Arab Emirates, His Highness Sheikh Khalifa bin Zayed Al Nahyan," he said on Twitter.
Prime Minister Abdul Hamid Dbeibeh of the Government of National Unity of Libya, along with the Libyan senior authorities, also mourned the death of the Al Nahyan and extended their "deepest condolences" to the people and government of the UAE.
Qatar's Emir Sheikh Tamim bin Hamad Al Thani on Twitter said they were saddened to receive the news of the death of Al Nahyan.
"My deepest condolences to the fraternal UAE people and their families," he added.
Leaders of Bahrain, Oman, Morocco, Jordan, Egypt, Palestine, Algeria, Lebanon, Iraq, and Yemen in separate statements also extended their condolences to the late UAE president.
Kuwait's Emir Sheikh Nawaf Al-Ahmed Al-Sabah also issued a condolence message for the death of Al Nahyan.
The Kuwaiti state news agency KUNA reported that mourning was declared in the country, official institutions were suspended for three days and the flags would be lowered at half-mast for 40 days.
According to a written statement from the Moroccan Royal Court, three days of mourning were declared in the country by the order of Moroccan King Mohammed VI. As of today, the flags will be lowered at half-mast during the mourning period.
The UN in a statement issued by the spokesman for UN Secretary-General Antonio Guterres extended "profound condolences" to the royal family, the government, and the people of the UAE on the passing away of Al Nahyan.
"Sheikh Khalifa led the United Arab Emirates since 2004, succeeding his father, His Highness Sheikh Zayed bin Sultan Al Nahyan, the country's founder. His Highness Sheikh Khalifa also led the United Arab Emirates through a significant period of its development, marked by great economic advances and a surge in its regional and global influence," the statement read.
EU foreign policy chief Josep Borrell on Twitter said he was saddened at the passing away of the ruler of Abu Dhabi.
"He played an essential role in building today's UAE. Our thoughts are with the ruling family & people of the UAE The EU remains committed to a strong UAE-EU partnership," he added.
Organization of Islamic Cooperation (OIC), Arab League, Gulf Cooperation Council (GCC), Arab Parliament, and Al-Azhar Institution in Egypt in separate statements also extended their condolences over the death of Al Nahyan.