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An international Olympic security experts of United Nations Under-Secretary-General makes a speech at the three-day International Seminar on Counter-Terrorism and International Security Cooperation During Major Sport Events ended in Beijing.Organized by the Beijing Olympic Security Command Center and the United Nations Interregional Crime and Justice Research Institute (UNICRI), the seminar discussed in depth issues related to international combat against terrorism, transnational organized crime, terrorist attacks on a third country, security during large-scale functions or sport events and management of foreigners.[Xinhua]