Advertisement Homepage UN Secretary-General Antonio Guterres delivers a speech at the opening of the 61st session of the UN Human Rights Council at the United Nations office in Geneva on February 23, 2026. (Fabrice Coffrini / AFP) United Nations chief Antonio Guterres condemned “escalation” in the Middle East after US and Israeli strikes on Iran, on which the UN Security Council will hold an emergency meeting Saturday. “I call for an immediate cessation of hostilities and de-escalation,” Guterres said in a statement, saying the attacks — including Iran’s retaliation — undermine international peace and security.