Russian Foreign Minister Sergey Lavrov, centre, gestures speaking to Turkey's Deputy Foreign Minister Sedat Onal, right, and and Iran's Assistant Foreign Minister for Arab and African Affairs Hossein Jaberi Ansari, left, during their talks in Moscow, Russia, October 24, 2018. Moscow is preparing the new summit of the Astana troika – namely Russia, Turkey and Iran – on the Syrian settlement, Russian Foreign Minister Sergey Lavrov said Wednesday.