UNITED NATIONS, June 6, 2016 (Xinhua) -- The United Nations Security Council holds a meeting on cooperation between the United Nations and regional and sub regional organizations in maintaining international peace and security at the UN headquarters in New York, June 6, 2016. The European Union (EU) on Monday asked the UN Security Council to authorize EU's naval forces in the Mediterranean to enforce the UN arms embargo on Libya. (Xinhua/Li Muzi)