The US airbase at Bagram in Afghanistan contains a facility for detainees that is distinct from its main prison, the Red Cross has confirmed to the BBC, informs BBC News online Tuesday.
Nine former prisoners have told the BBC that they were held in a separate building, and subjected to abuse.
The US military says the main prison, now called the Detention Facility in Parwan, was the only detention facility on the base.
In recent weeks the BBC has logged the testimonies of nine prisoners who say they were held there.
They told consistent stories of being held in isolation in cold cells where a light is on all day and night.
They said they had been deprived of sleep by US milita-ry personnel there.
In response to these allegations, Vice Adm Robert Harward, in charge of US detentions in Afghanistan, denied the existence of such a facility or abuses.
