US Senate works on new package of Iran sanctions
Reuters / Roberta Rampton

* Would punish foreign banks for more types of Iran dealings

* Could be attached to annual defense policy bill

* Would stop "Turkey's game of gold for natural gas".

Senator Carl Levin, the Democratic chairman of the Armed Services Committee, said he was reviewing a draft version of the sanctions and was amenable to the measures being added to the defense bill.

"It's fine with me," Levin said. "Going in, I favor strengthening any way we can the sanctions against Iran."

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