AlHijjah 17, 1432, Nov 13, 2011, SPA - The Organization of Islamic Cooperation (OIC) and the United Nations will sign here tomorrow a Memorandum of Understanding (MoU) for humanitarian coordination and cooperation in disaster-affected areas around the world. A statement issued today said that the MoU will be signed by OIC Secretary General Prof. Ekmeleddin Ihsanoglu, and the United Nations Assistant Secretary General for Humanitarian Affairs Valerie Amos.