NEW : Tayyip Erdogan says deal possible on nuclear fuel swap with Iran . The Turkish leader said he would consider a proposal to exchange Iranian enriched uranium for the country's own fuel. U.N. Security Council decision imminent on possible sanctions against Iran . Turkish Prime Minister Recep Tayyip Erdogan announced Sunday he was heading to Iran to join nuclear talks in Tehran involving Brazilian President Luiz Inacio Lula da Silva and Iranian President Mahmoud Ahmadinejad . Lula in Iran ahead of Group of 15 developing nations meeting in Tehran .
NEW : Tayyip Erdogan says deal possible on nuclear fuel swap with Iran . The Turkish leader said he would consider a proposal to exchange Iranian enriched uranium for the country's own fuel. U.N. Security Council decision imminent on possible sanctions against Iran . Lula in Iran ahead of Group of 15 developing nations meeting in Tehran .