Riyadh, Sha'ban 1, 1436, May 19, 2015, SPA -- Riyadh Conference on "Saving Yemen and Building Federal State" concluded its activities at the Conference Palace here today in the presence of President Abed Rabbo Mansour Hadi of the Republic of Yemen; Yemeni Vice-President and Prime Minister Dr. Khalid Bahah; Secretary General of Gulf Cooperation Council (GCC) for Arab States Dr. Abdullatif bin Rashid Al-Zayani; a number of representatives of political parties; Yemeni society and youth organizations as well as tribal leaders and social figures. The Conference started its final session with the national anthem. --More 12:19 LOCAL TIME 09:19 GMT www.spa.gov.sa/w