"Reminder: Because of US withdrawal from JCPOA, there is NO P5+1," he tweeted on Friday.
"It is now ONLY Iran and P4+1," he wrote, "Remember, Trump left the room and tried to blow it up."
"Gestures are fine. But to revive P5+1, US must Act: LIFT sanctions."
"We WILL respond."
"Here is the key sequence: #CommitActMeet"
In reaction to the White House retreat from the snapback mechanism, FM Zarif said on Friday that the US unconditionally and effectively must lift all sanctions imposed and re-imposed by Trump in compliance with Resolution 2231.
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