UNITED NATIONS, June 9, 2016 (Xinhua) -- United Nations Secretary-General Ban Ki-moon speaks to journalists during a press encounter at the UN headquarters in New York, June 9, 2016.UN Secretary-General Ban Ki-moon said here on Thursday that he has to remove temporarily Saudi-led coalition from UN's blacklist of committing violations against children due to "undue pressure." (Xinhua/Li Muzi)