Allegations that Afghan-run prisons are torturing inmates have complicated NATO’s plans to wind down operations.
Allegations that prisoners are being tortured in Afghan jails have provoked a row between the country’s security services and the United Nations.
A leaked UN report details claims of serious human rights abuses at several Afghan-run prisons.
NATO and ISAF commanders have already stopped transferring detainees to nine Afghan-run prisons because of the torture claims.
Al Jazeera’s Paul Brennan reports from Kabul.