Russian air strikes killed four people in the eastern suburbs of Damascus on Saturday amid reports rebels have recaptured ground in the area.
Russia, the Assad regime's key ally, has recently began targeting rural Damascus after almost two months of aerial bombing on northern and eastern Syria.
More than 256 civilians have been killed in Russian air strikes that began on September 30, the Syrian Network for Human Rights reported.
Saturday's air strikes targeted the village of Deir al Asafir while Islamist rebels recaptured territory in the al-Marj region east of the capital.
West of Damascus, regime warplanes carried out more that 44 raids on Daraya, dropping more than 32 barrel bombs, activists said.
This article was edited by The Syrian Observer. Responsibility for the information and views set out in this article lies entirely with the author.