Foreign fighters join ranks of both sides as battle in capital's suburbs kills more than 160 in two days, activists say.
A fierce two-day battle in the eastern suburbs of the Syrian capital Damascus has killed more than 160 rebel and regime forces, activists said on Sunday.
The latest fighting in the Eastern Ghouta region came against the backdrop of regime advances in the region that have cut rebel supply lines to the capital and its southern districts. Rebels have been struggling to break the blockade by forces loyal to the president. Bashar al-Assad.