“The impasse in the negotiations in Vienna to restore the JCPOA is fraught with uncontrolled escalation,” he wrote on Twitter.

On December 20, the United States authorities said that Tehran "killed the possibility of a quick mutual return" of the United States and Iran to the implementation of the Joint Comprehensive Plan of Action (JCPOA).

At the end of January, Russian Foreign Minister Sergei Lavrov expressed concern about the situation around Iran.

According to the minister, the West preferred to spit on the UN Security Council resolutions and go over to aggressive actions.