Former U.N. Secretary-General Ban Ki-moon speaks during a news conference at the National Assembly in Seoul

Former U.N. Secretary-General Ban Ki-moon speaks during a news conference at the National Assembly in Seoul

Former U.N. Secretary-General Ban Ki-moon speaks during a news conference at the National Assembly in Seoul, South Korea February 1, 2017. Son Hyung-ju/News1/via REUTERS ATTENTION EDITORS - THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. SOUTH KOREA OUT. FOR EDITORIAL USE ONLY. NO RESALES. NO ARCHIVE.

February 2, 2017 12:23 AM (UTC+8)