By REUTERS
RIYADH - Saudi Arabia's Crown Prince Nayef has left the kingdom for a holiday and medical tests, the state news agency reported on Saturday, in a country where the health of senior royals is keenly watched."Crown Prince Nayef ... went abroad for a personal vacation during which some medical tests have been scheduled," Saudi Press Agency reported.Nayef, who is 77 or 78, has been interior minister since 1975 and was made King Abdullah's heir apparent in October after the death of the former crown prince, Sultan.He returned to Saudi Arabia in April after spending a month abroad following medical tests in Cleveland, in the United States. The nature of the tests has not been revealed.
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