UN chief Antonio Guterres calls for end to wars, AI curbs in his last assembly address UN Secretary-General Antonio Guterres, in his final address to the UN General Assembly in New York, called on gathered leaders to end wars and to "advance the conditions for the responsible pacing of AI and the additional safeguards needed to address risks." The appeal marks Guterres's last assembly address as UN chief. UN chief Antonio Guterres calls for end to wars, AI curbs in his last assembly address Guterres called on the leaders gathered in New York to "advance the conditions for the responsible pacing of AI and the additional safeguards needed to address risks".