United Nations Secretary-General Antonio Guterres addresses a special event marking World Humanitarian Day at the UN headquarters in New York, Aug. 18, 2017. UN Secretary-General Antonio Guterres on Friday condemned attacks on civilians and aid workers caught up in conflict and called for their protection. Guterres made the appeal on the occasion of World Humanitarian Day, which falls on Aug. 19. (Xinhua/Li Muzi)
