A US defence department review of conditions at Guantanamo Bay detention camp has called for an easing of the isolation of prisoners there.

The Pentagon report says inmates should be allowed more social interaction and opportunities for recreation.

It comes as new US Attorney General Eric Holder pays his first visit to the controversial facility in Cuba.

Last month, President Barack Obama ordered the Guantanamo Bay camp to be closed within one year.

About 250 prisoners are still held there, nearly all without charge.

Among them was a UK inmate, who returned from the camp to Britain earlier on Monday.

Ethiopian-born Binyam Mohamed, 30, was held in Guantanamo for more than four years and says he was tortured.

He became the first Guantanamo prisoner released since Barack Obama took office.
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