Cyclone Idai, killing at least 700, one of worst catastrophes in Africa: UN chief

United Nations Secretary-General Antonio Guterres arrives to speak to journalists during a press encounter at the UN headquarters in New York, March 26, 2019. Cyclone Idai, "an uncommonly fierce and prolonged storm," was one of the worst storms to hit Africa, Antonio Guterres said on Tuesday. (Xinhua/Li Muzi)