NEW : Abbas concluded his speech Friday by acknowledging `` other options , '' presumably referring to his government 's ability to weigh a host of decisions at the U.N. General Assembly next week , which may or may not include the full membership bid . `` As for the other options , we have not taken a decision , '' he said . Hamas warns Abbas not to go to U.N. . Palestinian Prime Minister Mahmoud Abbas is expected to speak at the U.N. Security Council . Ramallah is calling on Palestinian leaders to return to peace talks , a spokesman says . Palestinian President Abbas presses for full U.N. membership .
NEW : Hamas warns Abbas not to go to U.N. . Palestinian Prime Minister Mahmoud Abbas is expected to speak at the U.N. Security Council . Ramallah is calling on Palestinian leaders to return to peace talks , a spokesman says . Palestinian President Abbas presses for full U.N. membership .