OIC Secretary General Dr. Yousuf Al-Othaimeen received here today Muhammad Mahmoud Al-Ameen, Ambassador of the Islamic Republic of Mauritania to Riyadh, who conveyed to the Secretary General the compliments of The Honorable Minister of Foreign Affairs of Mauritania on his election as the Secretary General of the OIC. The Mauritanian Ambassador assured of his country's readiness to cooperate with the OIC, stressing the importance of the OIC's role in combating the current challenges facing the Islamic Ummah.