Corker warns of possible sanctions on Iran

Sen. Bob CorkerRobert (Bob) Phillips CorkerCheney set to be face of anti-Trump GOP How leaving Afghanistan cancels our post-9/11 use of force The unflappable Liz Cheney: Why Trump Republicans have struggled to crush herĀ  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."