Organization of Islamic Cooperation (OIC) has strongly condemned the terrorist attack took place in the city of Marawi, in Mindanao, southern of Philippine on Sunday, resulting in abducting of innocent civilians and religious leaders as hostages . The Secretary-General of the Organization, Dr. Yousef bin Ahmed Al-Othaimeen, affirmed the Organization's firm stance against terrorism in all its forms and manifestations, expressing his condolences to the families of the victims, the Government, and people of Philippines.