Corker warns of possible sanctions on Iran

Sen. Bob CorkerRobert (Bob) Phillips CorkerTrump announces, endorses ambassador to Japan's Tennessee Senate bid Meet the key Senate player in GOP fight over Saudi Arabia Trump says he's 'very happy' some GOP senators have 'gone on to greener pastures' MORE (R-Tenn.) signaled Sunday that lawmakers could increase sanctions against Iran if nuclear negotiations do not yield an agreement.

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Corker, who will become the Senate Foreign Relations Committee chairman in the next Congress, said on "Fox News Sunday" that there was "no question" tha lawmakers would increase sanctions against Iran.

"There's no question," Corker said. "If the nuke deal falls apart, then there will be more sanctions."

Republicans have signaled that they will take up a new Iran sanctions bill in January. Many Democrats, including the Obama administration, are opposed to new sanctions as the negotiations with Iran have continued.

Corker said that the bill would move "regular order" and not immediately.

When pushed on the timing of the legislation, he said: "We'll see."