HE the Secretary-General of the Ministry of Foreign Affairs Dr Ahmed bin Hassan al-Hammadi received separately Thursday copies of the credentials of ambassador of Chad Dr Ali Susal Ibrahim, and ambassador of El Salvador Milton Alcides Magana Herrera. HE the Secretary-General wished the two new ambassadors success in their duties, stressing that all the support will be provided to them to help enhance ties between Qatar and their respective countries to stronger co-operation in different fields.