JERICHO, West Bank (Reuters) - Chief Palestinian negotiator Saeb Erekat said on Friday that peacemaking with Israel had reached a "moment of truth" and demanded that new Prime Minister Ehud Barak start carrying out peace deals. "It‘s the moment of truth now. I don‘t think we have an excuse as we did with the previous government since we believe the Israeli people have voted for peace," he told the Foreign Press Association. "I expect to see the implementation of the Wye agreement in July." Erekat spoke after Barak, who took office on Tuesday, had met Egypt‘s President Hosni Mubarak at the first of three Arab-Israeli summits planned over the next few days. Barak will meet Palestinian President Yasser Arafat on Sunday. Right-winger Benjamin Netanyahu, ousted by Barak in a May election, in December froze the U.S.-brokered land-for-security deal that Israel had signed with Arafat at the Wye Plantation near Washington in October. Erekat ruled out making changes in the Wye deal under any circumstances. He said he hoped Barak would tell the Palestinian people at the summit on Sunday that Israel was halting Jewish settlement expansion in the West Bank and Gaza. Barak, following his talks with Mubarak in Egypt, told reporters: "We are not going to build new settlements and we are not going to dismantle (existing) ones."