Sixteen Saudis have been transferred from the US prison in Guantanamo Bay to Riyadh, and immediately detained by authorities, US and Saudi officials said.
At least 53 Saudi nationals remain incarcerated at the US military facility in Cuba, Major-General Mansour al-Turki told the official Saudi Press Agency.
He said a total of 77 Saudis have now been returned from Guantanamo.
A Pentagon statement said: "These detainees were determined to be eligible for transfer following a comprehensive series of review processes conducted at Guantanamo Bay."
Prince Nayef bin Abdul Aziz, the Saudi interior minister, on Monday expressed his satisfaction with the level of co-operation between his country and Washington.
SPA quoted him as saying King Abdullah, the Saudi ruler, is keen to free all detainees held at the controversial detention camp.
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