Jeddah, Muharram 19, 1439, October 9, 2017, SPA -- Secretary General of the Organization of Islamic Cooperation (OIC) Dr. Yousef bin Ahmad Al-Othaimeen called to cancel investment and custom obstacles and establish areas for free trade in order to expand economic and social development in the OIC member states. During his meeting with Chairman of the World Islamic Economic Forum (WIEF) Tun Musa Hitam, the OIC Secretary General lauds a great role played by the forum in facilitating trade and investment among the member states. They also discussed agenda of the 13th WEIF session to be held in Malaysia during 21-23, November, 2017. --SPA 19:53 LOCAL TIME 16:53 GMT www.spa.gov.sa/w508244