
A former UN secretary general has called for an overhaul of the United Nations to better confront global challenges as “some powerful nations” seek to undermine the institution.Ban Ki-moon, who was secretary general of the United Nations from 2007 to 2016, said in Hong Kong on Tuesday that the conflicts in Ukraine and Gaza showed the need for a multilateral response.“The illegal Russian war against Ukraine and the horrific war in Gaza represent one of the most dangerous moments for global...