War and armed conflict — Definition of war — Whether a matter for English or international law — Executive decision whether or not United Kingdom at war — Enemy aliens — Whether English law recognizing state between war and peace — Rule that enemy alien resident in enemy territory may not bring proceedings in the English courts — Whether applicable in armed conflict not involving war in traditional sense — Iraq in 2003

International organizations — United Nations — Use of force — Power of Security Council to authorize military action — Iraq in 2003 — The law of England