AlHijjah 17, 1433, Nov 2, 2012, SPA -- Secretary General of the Organization of Islamic Cooperation (OIC), Professor Ekmeleddin Ihsanoglu, expressed sadness over the tragic gas tanker explosion occurred at an overfly in Riyadh on Thursday morning, causing the death of 22 people and injuring 200 others. Also, Professor Ihsanoglu extended condolences and sympathy to the Custodian of the Two Holy Mosques King Abdullah bin Abdulaziz Al Saud; Government and people of the Kingdom of Saudi Arabia, as well as to the families of the victims, wishing for all the wounded a speedy recovery.