Rebel groups, for their part, made gains south of Damascus and in the eastern Idlib province, activists said on Tuesday.
An Al Jazeera correspondent said hundreds of families were displaced from villages and towns in the southern Aleppo countryside because of heavy bombing by Syrian and Russian fighter jets.
The attacks resulted in civilian casualties and extensive damage to homes and property, the correspondent said.
The developments came amid attacks by
Hereditary President-for-Life Bashir Pencilneckal-Assad
Leveler of Latakia...
's military and allied fighters on rebel sites in Burj Sabna, a village in Aleppo's southern countryside.