he had received 240 communications in connection with the invasion of Iraq in March 2003 which alleged that various war crimes had been committed. The political leaders of the US and UK at the time argued that the war was legal, and that existing UN Security Council resolutions related to the first Persian Gulf War and the subsequent ceasefire (660, 678), and to later inspections of Iraqi weapons programs (1441), had already authorized the invasion. Critics of the invasion have challenged both of these assertions, arguing that an additional Security Council resolution, which the US and UK failed to obtain, would have been necessary to specifically authorize the invasion. The Iraq Inquiry in the UK later found that the legal basis for the law was questionable. The UN Security Council, as outlined in Article 39 of the UN Charter, theoretically has the ability to rule on the legality of the war, but the US and the UK have veto power in the Security Council, so action is highly improbable even if the issue were to be raised. Despite this, the UN General Assembly (UNGA) may ask that the International Court of Justice (ICJ)—"the principal judicial organ of the United Nations" (Article 92)—give either an 'advisory opinion' or 'judgement' on the legality of the war. Indeed, the UNGA asked the ICJ to give an 'advisory opinion' on "the legal consequences arising from the construction of the wall being built by Israel", by its resolution A/RES/ES-10/14, as recently as 12 December 2003; despite opposition from permanent members of the Security Council. It achieved this by sitting in tenth 'emergency special session', under the framework of the 'Uniting for Peace' resolution. The ICJ had previously found against the US for its actions in Nicaragua, a finding the US refused to comply with. Opposition view of the invasion Those who opposed the war in Iraq did not regard Iraq's violation of UN resolutions to be a valid case for the war, since no single nation has the authority, under the UN Charter, to judge Iraq's compliance to UN resolutions and to enforce them. Furthermore, critics argued that the US was applying double standards of justice, noting that other nations such as Israel are also in breach of UN resolutions and have nuclear weapons. Giorgio Agamben, the Italian philosopher, has offered a critique of the logic of preemptive war. Although Iraq was known to have