Relationship of international law and municipal law — Treaties — European Convention on Human Rights, 1950 — Effect in English law — Whether Secretary of State required to take account of Convention in exercising discretionary powers

Human rights — Enforcement — Access to organs of European Convention on Human Rights, 1950 — Extradition of applicant to non-Convention State — Whether effectively denying him opportunity to pursue application

Enforcement by national authorities — Interim measures of protection indicated by European Commission of Human Rights — Whether national authorities under a duty to take such indications into account in exercising discretionary powers

International tribunals — European Commission of Human Rights — Interim measures of protection — Legal effect — The law of England