UN's Guterres urges new vision for arms control

Photo taken on Feb. 25, 2019 shows a general view of the opening of the United Nations Conference on Disarmament in Geneva, Switzerland. The continued use of chemical weapons with impunity is driving "new proliferation," and a new vision of arms control is needed, United Nations Secretary General Antonio Guterres warned here on Monday. (Xinhua/Xu Jinquan)