Jeddah, Jan 01 , SPA --The Secretary General of the Organization of the Islamic Conference (OIC) professor Akmaludin Ihsan Oglo urged today Chad and Sudan to practice the highest degree of self restraint and not to allow escalation of tension on their joint borders. Expressing OIC worry about the recent developments in the relations between the two important members of the Organization, Oglo said in a press statement that OIC is closely following up the developments of the situation and it is ready to mediate for solving the dispute.--SPA www.spa.gov.sa/513721