Gul was speaking at the UN General Assembly in New York.
Iraqi Shi'ite, Kurdish and Sunni Arab leaders met on September 18 to discuss a bill on federalism submitted to parliament by the largest Shi'ite bloc, the United Iraqi Alliance.
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SUNNI, SHI'A: Iraq is riven along sectarian lines, faults that frequently produce violent clashes and are a constant source of tension. Sectarian concerns drive much of Iraqi politics and are the main threat to the country's fragile security environment.