Saudi Arabia's King Salman bin Abdulaziz left Riyadh's King Faisal Specialist Hospital on Wednesday after undergoing "successful medical tests" and the battery of his heart pacemaker changed.

The 86-year-old, said the Royal Court in a statement, will now observe several days of rest according to the treatment plan.

Video and pictures of King Salman leaving the hospital showed him being accompanied by several close officials and also son Crown Prince Mohammed bin Salman.

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