U.S. Secretary of State John Kerry, left, meets with Iranian Foreign Minister Mohammad Javad Zarif at United Nations headquarters Saturday, Sept. 26, 2015.

U.S. Secretary of State John Kerry held an impromptu meeting with his Iranian counterpart Mohammad Javad Zarif in New York on Friday to discuss steps to implement the Iran nuclear deal.

The meeting was scheduled at the last minute after a week of intense diplomacy on the Syria crisis.

U.S. officials did not provide details, saying only that the talks focused on implementing the historic deal reached in July to curb Iran’s nuclear program.

The U.S. has sought to enlist Iran in trying to find a way forward on the Syria crisis after Russia launched its air war.

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