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MOSCOW (Reuters) - Russian President Vladimir Putin and France’s President Emmanuel Macron spoke by phone ahead of a four-way summit in Istanbul on Saturday, Kremlin spokesman Dmitry Peskov was quoted as saying by Interfax news agency.

Putin and Macron are due to meet Germany’s Angela Merkel and Turkey’s Tayyip Erdogan to discuss developments in Syria’s rebel-held Idlib province and the political process for resolution of the conflict.