Saudi Arabia’s 88-year-old King Salman entered the hospital Wednesday for what state media described as "routine examinations."

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In this Jan. 24, 2015 file photo, Saudi Arabia's King Salman is guarded by his bodyguard Maj. Gen. Abdulaziz al-Fagham, background, as he attends a ceremony at the Diwan royal palace in Riyadh, Saudi Arabia. The 88-year-old King Salman entered the hospital Wednesday for what state media described as "routine examinations."

In this Jan. 24, 2015 file photo, Saudi Arabia's King Salman is guarded by his bodyguard Maj. Gen. Abdulaziz al-Fagham, background, as he attends a ceremony at the Diwan royal palace in Riyadh, Saudi Arabia. The 88-year-old King Salman entered the hospital Wednesday for what state media described as "routine examinations." (AP Photo/Yoan Valat, Pool, File)

The state-run Saudi Press Agency did not elaborate other than to say that he would be at King Faisal Specialist Hospital in Jeddah. He later left the hospital.

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King Salman took the throne in 2015. He’s since elevated his son, Crown Prince Mohammed bin Salman, to the kingdom’s monarch-in-waiting. The crown prince is widely believed to be running the day-to-day affairs of the kingdom.