“In the light of the hostilities growing last week, we remain deeply concerned about the security of three million civilians in Idlib and the surrounding territories in the north-west (Syria),” RIA Novosti quoted her as saying.

She noted that threats exist for residents of Western Aleppo, various parts of Idlib and northern Hama.

It was previously reported that militants attacked government troops three times in the Idlib de-escalation zone in Syria, all attacks were repelled.