Foreign Minister Bilawal Bhutto Zardari talking to media along with UNSG Antonio Guterres at Karachi Airport. APP46-100922 KARACHI: September 10 - Foreign Minister Bilawal Bhutto Zardari talking to media along with UNSG Antonio Guterres at Karachi Airport. APP photo by M Saeed Qureshi APP46-100922 KARACHI: