On behalf of Custodian of the Two Holy Mosques King Abdullah bin Abdulaziz Al Saud, Prince Naif bin Abdulaziz Al Saud, Second Deputy Premier and Minister of Interior, will open here tomorrow the International Islamic Conference. The conference will be held on the occasion of the 50th anniversary of Muslim World League's establishment. Secretary General of the league Dr. Abdullah bin Abdulmohsin Alturki thanked Saudi leaders for their support for the league. He said that the conference aims at highlighting Saudi leaders' support for the league's activities and the league's achievements during the past 50 years.