UN Secretary-General António Guterres opened the general debate of the 81st General Assembly, his last as secretary-general before his term ends on December 31. He warned that "the fault lines in our world are widening" and called for power to be governed by law and cooperation.

This year's debate runs under the theme "Restoring trust, managing transformation: A United Nations that delivers for all." Leaders also held a high-level event on climate action and a just transition.