RIYADH The leaders of Saudi Arabia and Indonesia agreed yesterday to set up a multinational forum to help solve the Israeli-Palestinian conflict. “This forum can be integrated with the Middle East Quartet to work together to restore comprehensive peace and security in the region; said the visiting Indonesian President Susilo Bambang Yudhoyono. He was referring to the group of four that make up the Mideast Quartet the United Nations, the United States, Russia and the European Union.