world security system Munich, Germany, Feb 13, SPA -- United Nations chief Kofi Annanappealed Sunday for Europe and the United States to supporta radical overhaul of international security to combatterrorism, the spread of weapons of mass destruction andregional conflicts. "We must strengthen our collective defenses," Annan tolda conference of world security officials. He said the plansrepresented the most far-reaching reform of theinternational security system since the United Nations wasfounded in 1945. They call for tougher rules to prevent the proliferationof nuclear weapons, a trust fund to help poorer nationsfight terrorism, a drive to strengthen public healthdefense against germ warfare and a more proactive approachto allow for quicker action against potential threats. "In today's world we may also face threats that are notimminent, but which could become actual with little or nowarning and might culminate in nightmare scenarios if leftunaddressed," Annan said.--SPA1209 Local Time 0909 GMT www.spa.gov.sa/239078