Senior U.S. officials had some limited bilateral talks with Iranian counterparts in recent months in the drive to reach a nuclear agreement with the Islamic Republic, a senior U.S. official said.
The talks were in addition and a supplement to the negotiations between major powers and Iran, the official told reporters.
"We had some limited bilateral discussions with the Iranians in addition to the P5+1 negotiations that were aimed at developing ideas that we could provide in the P5+1 negotiations," the official said.
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