People inspect the damage at a site hit by airstrikes in the rebel-held city of Idlib, Syria, Feb. 7, 2017. Photo: Reuters / Ammar Abdullah.

An agreement with Turkey on Syria’s Idlib province has not been fully implemented, raising concerns in Moscow and Damascus, Interfax news agency quoted a Kremlin spokesman as saying on Sunday.

Moscow and Ankara have tried to create a deescalation zone in the region.

Russia said last week that the situation there was rapidly deteriorating and that it was almost under the full control of Nusra militants.