Russia's Foreign Ministry said on Monday a four-way Syria summit "is planned in the upcoming future", with the leaders of Russia, France, Turkey and Germany attending.
It said Foreign Minister Sergei Lavrov will visit Ankara on Monday and Tuesday to discuss the four-way meeting with his Turkish counterpart.
Russia and Turkey, along with Iran are sponsoring the Astana peace talks, which focuses on a cease-fire and ending the civil war in Syria.
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