King Abdullah welcomes UAE President Sheikh Khalifa bin Zayed upon his arrival in Riyadh, Tuesday, 27 March 2007 a day before the Arab summit. Mohamed Messara / EPA
Sheikh Mohammed bin Rashid, Vice President of the UAE and Ruler of Dubai greets King Arabia Abdullah at an extraordinary GCC leaders summit in Riyadh on November 16, 2014. SPA / AFP Photo
Sheikh Mohammed bin Rashid and Sheikh Mohammed bin Zayed, Crown Prince of Abu Dhabi and the Deputy Supreme Commander of the UAE Armed Forces with Saudi King Abdullah, and King Hamad bin Isa Al Khalifa of Bahrain, second from left. November 16 2014. Crown Prince Court — Abu Dhabi
King Abdullah, Sheikh Mohammed bin Zayed, talk at the extraordinary Gulf Cooperation Council leaders summit in Riyadh on November 16, 2014. AFP Photo
King Abdullah, right meets Sheikh Mohammed bin Rashid in Riyadh on May 11, 2010. Fahad Shadeed / Reuters
The newly-anointed Saudi King Abdullah attends the funeral of his half-brother, the late King Fahd, at the Imam Turki bin Abdullah mosque in Riyadh in August 2005. Hassan Ammar / AFP Photo
Oman’s Sultan Qaboos, left, Saudi Arabia’s King Abdullah bin Abdul Aziz Al Saud, centre, and Mahmoud Ahmadinejad, Iran’s president, right, walk into the opening ceremony of the 28th Gulf Cooperation Council held in Doha, Qatar, on Monday, Dec. 3, 2007. Charles Crowell / Bloomberg
Palestinian Authority President Yasser Arafat right with Abdullah in Jeddah. Omar Al Rashidi / AFP Phoyo
US President Barack Obama shakes hands with King Abdullah after Obama was presented with the King Abdul Aziz Order of Merit. Mandel Ngan / AFP Photo
Then US President George W Bush greets King Abdullah, then the Saudi Crown Prince at his ranch in Crawford, Texas. Gerald Herbert / AP Photo
King Abdullah receiving former US president George Bush in Riyadh in August 2005. SPA / AFP Photo
The former Pope Benedict XVI welcomes Saudi Arabia’s King Abdullah at the Vatican in November 2007. Chris Helgren / AP Photo
King Abdullah reviews a Guard of Honour with Britain’s Prince Philip in Horse Guards Parade in London, during a state visit. Fiona Hanson / AFP Photo
Britain’s Queen Elizabeth arrives at Buckingham Palace with Saudi Arabia’s King Abdullah after a state carriage procession along the Mall in London on October 30, 2007 file photo. Luke MacGregor / Reuters
King Abdullah welcomes German Chancellor Angela Merkel on May 25, 2010 at the Royal Palace in Jeddah. Guido Bergmann / Bundesregierung / AFP Photo
King Abdullah, left, waves to reporters during his meeting with Manmohan Singh, India’s prime minister, in New Delhi, India, on Wednesday, Jan. 25, 2006. Sondeep Shankar / Bloomberg
Nicolas Sarkozy, France’s president, right, looks on as Saudi Arabia’s King Abdullah bin Abdulaziz Al Saud, centre, waves from the steps of the Elysee Palace in Paris on June 21, 2007. Judith White / Bloomberg
Russian President Vladimir Putin and Saudi King Abdullah during an official welcoming ceremony at the airport in Riyadh February 11, 2007. AFP Photo
King Abdullah at Heathrow Airport in west London. Dylan Martinez / Reuters