Human rights — Arrest and detention — Right of arrested person to be told reason for arrest — Right to be brought promptly before a court to have lawfulness of detention determined — Right to humane treatment — Detention incommunicado — International Covenant on Civil and Political Rights, 1966

International tribunals — Procedure — United Nations Human Rights Committee — Optional Protocol to the International Covenant on Civil and Political Rights, 1966 — Duty of State Party to furnish information to Committee — Whether allegations to be treated as substantiated in the absence of evidence to the contrary from the State Party