In this Nov 1, 2019 photo, Russian troops on patrol with Turkish forces in the countryside of the town of Darbasiyah in Syria's northeastern Hasakeh province on the border with Turkey, raise a national flag atop an armoured personnel carrier. (DELIL SOULEIMAN / AFP)

MOSCOW - A senior Russian lawmaker said on Tuesday that Moscow was very alarmed by the situation in Syria’s Idlib province and that it was putting serious strain on agreements between Russia and Turkey.

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Konstantin Kosachev, the chair of the Russian upper house’s foreign affairs committee, made the comments on Facebook.