United Nations System peace and security. Its powers, outlined in the United Nations Charter, include the establishment of peacekeeping operations, the establishment of international sanctions, and the authorization of military action. Its powers are exercised through United Nations Security Council resolutions. The Security Council held its first session on 17 January 1946 at Church House, Westminster, London. Since its first meeting, the Council, which exists in continuous session, has travelled widely, holding meetings in many cities, such as Paris and Addis Ababa, as well as at its current permanent home at the United Nations Headquarters in New York City. There are 15 members
United Nations Operation in Côte d'Ivoire international community and reiterated that UNOCI could use "all necessary measures" in its mandate to protect civilians under imminent threat of attack. Heavy fighting broke out on 31 March 2011 as forces of Alassane Ouattara advanced on Abidjan from several directions. The United Nations peacekeepers took control of Abidjan's airport when Gbagbo's forces abandoned it and United Nations forces were also reported to be carrying out protective security operations in the city. The UN peacekeeping mission said its headquarters were fired on by Gbabgo's special forces on 31 March, and returned fire in an exchange lasting about three hours. UN