Abu Dhabi [UAE], April 21 (ANI/WAM): UAE President Sheikh Mohamed bin Zayed Al Nahyan and Antonio Guterres, Secretary-General of the United Nations, discussed during a phone call cooperation between the UAE and the United Nations, especially in the humanitarian field, and support for peace and development regionally and globally. During the call, the two sides also discussed a number of regional and international issues of common concern, foremost among them developments in the Middle East and the need to contain tensions and prevent escalation, as this entails a serious threat to the security…