World leaders lined up at the United Nations on Tuesday to call on Israel to refrain from a full-scale war in Lebanon, with the organization’s chief warning the situation was on the “brink.” The UN General Assembly, the high point of the international diplomatic calendar, comes after Lebanese authorities said Israeli strikes had killed 558 people — 50 of them children. “Full-scale war is not in anyone’s interest. Even though the situation has escalated, a diplomatic solution is still possible,” US President Joe Biden said in his farewell address to the global body. “In fact, it remains the only path to lasting security to allow the residents from both countries to return to their homes on the border safely,” Biden said ahead of an emergency UN Security Council session on Lebanon planned for Wednesday. Biden’s remarks drew disappointment from Lebanon’s foreign minister Abdullah Bou Habib who said they were “not promising” and “would not solve the Lebanese problem,” as he estimated that the number of people displaced by Israel’s strikes has likely soared to reach half a million. “We should all be alarmed by the escalation. Lebanon is at the brink,” UN Secretary-General Antonio Guterres said when he opened the gathering. Israel’s ambassador to the UN Danny Danon said his country was “not eager” for a ground invasion of Lebanon. “We don’t want to send our boys to fight in a foreign country,” he said. ‘End this war’ It is unclear what progress can be made to defuse the situation in Lebanon, with efforts to broker a ceasefire in Gaza — which Israel has relentlessly pounded since October 2023 — coming to nothing. Biden on Tuesday pushed again for an elusive ceasefire between Israel and Hamas, telling the global body it was time to “end this war.” Mediator Qatar accused Israel of obstructing Gaza ceasefire talks, with Emir Sheikh Tamim bin Hamad Al-Thani saying “there is no Israeli partner for peace” under the government of Benjamin Netanyahu. But he added: “We will continue our efforts of mediation to resolve the disputes through peaceful means.” Turkish President Recep Tayyip Erdogan accused Israel of dragging the entire region “into war.” “Not only children but also the UN system is dying in Gaza,” Erdogan said in a scathing speech.