The meeting took place on the sidelines of the 78th session of the United Nations General Assembly in New York on Saturday, where they also discussed regional developments.
On Friday, Pederson participated in a meeting of foreign ministers of Iran, Russia, and Turkey hosted by Iran under the Astana format which aims at resolving the crisis in the war-torn country.
Earlier, Amirabdollahian met with UN Secretary-General Antonio Guterres.
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