Secretary General of Gulf Cooperation Council (GCC) Abdulrahman bin Hamad Al-Attiyah and Secretary General of Common Market for Eastern and Southern Africa(COMESA) Sindiso Ndema signed here today a Memorandum of Understanding (MoU) for economic and trade cooperation between GCC and COMESA. The signing ceremony was attended by Djibouti's Minister of Commerce and Industry; Zimbabwe's Minister of Industry and Commerce; and a number of senior officials of COMESA and GCC.