ANKARA Türkiye and Turkish Cyprus have blamed the Greek Cypriot administration for lack of progress in deepening cooperation between the northern and southern sides of the island in line with the suggestions of U.N. Secretary-General Antonio Guterres, who convened relevant parties in an enlarged meeting in New York on July 16 and 17. In a 5+1 format, Guterres brought Turkish Cypriot leader Ersin Tatar and Greek Cypriot leader Nikos Christodulides together along with the representatives from