On behalf of Crown Prince Mohammed bin Naif bin Abdul Aziz, Deputy Prime Minister and Interior Minister as well as the Honorary President of the Council of Arab Interior Ministers and Chairman of the Supreme Council for Naif Arab University for Security Sciences, Deputy Interior Minister Abdul Rahman bin Ali Rubaiaan here on Tuesday evening patronized the annual ceremony of Naif Arab University for Security Sciences and the graduation of a new batch of students as well as counter-terrorism officers from 32 states from Europe, Asia, Africa and South America. A speech ceremony was held on the occasion. Speakers thanked Saudi leaders for their support for the university, the fight against terrorism and humanitarian aid.