Japanese Vice-Minister for Foreign Affairs Osamu Uno arrived on Monday in Sana'a on an official visit to hold talks with a number of Yemeni officials, Saba reported. Speaking to Saba, Uno said that he is to hold talks with the Yemeni officials on the bilateral relations of cooperation between the two friendly countries in all fields and ways of strengthening and developing them in addition to discussing a number of regional and global issues of common concern.