“But the U.S. needs to move quickly,” he wrote on Twitter. “The sooner we reunite with Europe, Russia, and China on Iran policy, the sooner we can extend the Iran deal and work with these partners to curb Iran’s other malevolent behavior.”

The Iran nuclear deal framework – officially the Joint Comprehensive Plan of Action – was a historic agreement reached by Iran and several world powers, including the U.S., in 2015.

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Blinken and other senior State Department officials previously stated that in order to be granted relief from U.S. sanctions, Iran must cease its enrichment of uranium and come back into compliance with the 2015 deal, the Free Beacon reported.