Mashhad: Deputy Prime Minister and Foreign Minister Muhammad Ishaq Dar has arrived in Mashhad, Iran to attend the 28th Meeting of the Council of Ministers of the Economic Cooperation Organization.According to Radio Pakistan, upon his arrival at the airport, he was warmly welcomed by the Vice Governor General of Razavi Khorasan Province, Mohammad Ali Nabipoor, and Pakistan's Ambassador to Iran, Mudassir Tipu.