Director of the International Organizations Department at the Ministry of Foreign Affairs H E Ali bin Khalfan Al Mansouri received yesterday the credentials of Representative of the United Nations Office for the Coordination of Humanitarian Affairs (OCHA) in Doha H E Dr. Ahmed Marii. The Director of the International Organizations Department at the Ministry of Foreign Affairs wished the OCHA representative success in performing his duties, assuring him of providing all support to advance relations between the State of Qatar and OCHA to closer cooperation in various fields.