Secretary General of the Organization of Islamic Cooperation (OIC) Dr. Yousef bin Ahmed Al-Othaimeen, extended his condolences to Sultan Haitham bin Tariq bin Taimur on the death of Sultan Qaboos bin Said, may Allah bestow mercy upon the soul of the deceased. Al-Othaimeen wished Sultan Haitham all the best in continuing the march to the Sultanate's prosperity and development.