As with liberations prior — Aleppo, Ghouta, Daraa and elsewhere in Syria — Russia and Syria have opened humanitarian corridors to enable civilians to leave areas occupied by terrorists, to avoid the coming fighting. And as with prior humanitarian corridors (including one I was standing on in November 2016, before Aleppo was liberated), terrorists have been firing on and shelling the Abu Duhur crossing in eastern Idlib."Liberate Idlib and Syria: The Martyred of Mhardeh Speak Through the Ones They’ve Left Behind." By Eva K. Bartlett, MintPress News, 10/4/18.
Further, as with previous corridors established to enable civilians to flee to safety, they are being forcibly prevented from doing so by the “moderate rebels” inside.