NEW YORK (AP) — The head of the Palestinian Authority denounced Israel and its offensive in the Gaza Strip in front of world leaders Thursday, appealing to other nations to stop what he called a “genocidal war” against a place and people he said had been totally destroyed.

Mahmoud Abbas used the rostrum of the U.N. General Assembly as he typically does — to criticize Israel. But this was the first time he did so since the Oct. 7, 2023, attacks by Hamas on Israel that triggered an Israeli military operation that has devastated the occupied Gaza Strip.

Abbas strode to the podium to loud applause and a few unintelligible shouts. His first words were a sentence repeated three times: “We will not leave. We will not leave. We will not leave.”

He accused Israel of destroying Gaza and making it unlivable. And he said that his government should govern post-war Gaza as part of an independent Palestinian state, a vision that Israel’s hardline government rejects.

Abbas has had little influence in Gaza since Hamas overthrew his forces and seized power of the territory in 2007. The U.S. has said a reformed Palestinian Authority should play a future role in Gaza, but Israel does not consider him a reliable partner and has ruled that out.

“Palestine is our homeland. It is the land of our fathers and our grandfathers. It will remain ours. And if anyone were to leave, it would be the occupying usurpers," he said.

Israel has maintained its military operations are justified and are necessary to defend itself. South Africa has filed a genocide case against Israel in the U.N.’s top court. Israel rejects the accusations.