The Russian strikes targeted bases and other positions of the Jaish al-Fateh, including several jihadi factions, mainly the al-Qaida-linked Nusra Front, said the source on condition of anonymity.
In retaliation, Jaish al-Fateh shelled the last remaining government-loyal towns of Kafraya and Foa in Idlib countryside, with no more details so far emerging yet about the losses.