Saudi King admitted to hospital for back operation:

RIYADH: Saudi Arabia's King Abdullah was admitted to a hospital in Riyadh on Friday night to undergo back surgery to tighten a loose ligament, the state's SPA news agency said
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The king, in his late 80s, underwent an operation to tighten ligaments around his third vertebra in October of last year and had two rounds of back surgery in the United States in 2010 after suffering a herniated disc, leading to a three-month recuperation period outside the kingdom.he Custodian of the Two Holy Mosques, King Abdullah bin Abdulaziz al-Saud, may God keep him, arrived at the National Guard's King Abdulaziz Medical City in Riyadh, where a surgery will be performed ... to tighten a loose ligament in the upper back," SPA saidHis heir apparent, Crown Prince Salman bin Abdulaziz, normally acts as his deputy in his absence.
King Abdullah, who took power in 2005 after the death of King Fahd, named his brother, 13 years his junior, heir apparent in June after the death of Crown Prince Nayef bin Abdulaziz.