Why is it so hard to deter Assad? The answer is simple: Russian President Vladimir Putin is firmly on his side.
The announcement comes after a massive assault launched by Syrian government and allied forces on February 18 to retake the enclave, which has been out of regime control since 2012.
The Observatory reported 21 cases of suffocation in Eastern Ghouta on 22 January. Residents and medical sources said they suspected a chlorine attack.
At least 14 civilians including three children were killed in strikes on Sunday, bringing the total number of dead in the week to 530, among them over 130 children.
Syrian regime forces were engaged in heavy fighting with rebels in southern areas of opposition-held Eastern Ghouta on Sunday, a day after a UN call for a ceasefire
The two main groups controlling Syria's rebel enclave of Eastern Ghouta have welcomed a UN Security Council demand for a ceasefire, but vowed to fight back in case of renewed attacks.
Regime air strikes and artillery have been pounding the enclave near Damascus since February 18, with at least 519 dead since the bombing campaign was launched.
More than 120 children have been among the dead in the bombing campaign that the regime launched last Sunday on the enclave just outside Damascus.
UN Security Council postponed the vote, for a month-long ceasefire, until 1700 GMT on Saturday as Western powers bickered with Russia over the wording.
Syrian regime air strikes and artillery fire hit the rebel-held enclave of Eastern Ghouta for a sixth straight day Friday killing 38 civilians, as world powers struggled to reach a UN deal.
At least 426 people including 98 children have been killed since the Syrian regime and its Russian ally intensified their bombardment of the besieged area
Syrian and allied forces pounded the rebel-held enclave of Eastern Ghouta for a sixth straight day Friday, killing at least nine people.
Fresh bombardment on Eastern Ghouta killed dozens, bringing the number of dead civilians in a five-day assault by the Syrian government to more than 400.
The ambassador cited concerns over measures to enforce the ceasefire and the safe delivery of aid before announcing that he would circulate proposals to amend the draft resolution.
Over 200 people on Thursday protested outside the Russian consulate in Istanbul against the deadly assault on Syria's rebel-held enclave.