Aliens — Expulsion — Non-refoulement — Immigration Ordinance Cap. 115 1972 — Domestic policy not to deport a person to a country where his claim of risk of torture in that country is well founded

Human rights — Freedom from torture — Intersection of Refugees Convention, 1951 and Convention against Torture, 1984 — Whether determination of United Nations High Commissioner for Refugees as to refugee status relieving Secretary for Security of duty to consider torture claim independently — Standard of fairness to be observed by Secretary of State in determining torture claim

Relationship of international law and municipal law — Treaties — Immigration Ordinance Cap. 115 1972 — Domestic policy on non-refoulement — Universal Declaration of Human Rights, 1948 — Convention against Torture, 1984 — Refugees Convention, 1951 — The law of the Hong Kong Special Administrative Region of the People’s Republic of China