President of Al Imam Muhammad Ibn Saud Islamic University (IMAMU) Dr. Suleiman bin Abdullah Aba Al-Khail, who is also President of Executive Council of Federation of the Universities of the Islamic World (FUIW) participated in the World Congress for Middle Eastern Studies, organized by European Institute of the Mediterranean, at the University of Barcelona here during the period 7-12/8/1431H. The Conference aimed at studying and exchanging information on the latest Middle Eastern studies. Dr. Aba Al-Khail participated in a lecture entitled "Tolerance, Coexistence and Image of Relationship with Non-Muslims'' delivered on his behalf by his Advisor Dr. Ibrahim Al-Mayman.