The Terminal High Altitude Area Defense system, known as Thaad, is deployed in South Korea (Photo EPA/TTXVN)

The statement followed a recent discussion between Nam Gwan Pyo Director of the National Security Service of the South Korean Presidential Office and Kong Xuanyou, Assistant to the Chinese Foreign Minister. The same day, Mr. Nam said South Korean President Moon Jae In and Chinese President Xi Jinping plan to meet at the Asia-Pacific Economic Cooperation summit in Vietnam next week.