Turkey's Deputy Foreign Minister Sedat Onal, left, and Iran's Assistant Foreign Minister for Arab and African Affairs Hossein Jaberi Ansari, right, listen to Russian Foreign Minister Sergey Lavrov 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.