Agencies (Qasioun) – The United Nations UN Security Council discussed on Friday the cessation of hostilities for 30 days in Eastern Ghouta area and allow aid to enter and evacuate the injuries.
But the security council failed to reach a resolution and delayed it.
But negotiations were held up over a number of issues, including when the ceasefire should begin.
The US blamed Russia, which proposed an amendment to delay it.
US Ambassador to the UN Nikki Haley expressed dismay, saying on Twitter: "Unbelievable that Russia is stalling a vote on a ceasefire allowing humanitarian access in Syria.
"How many more people will die before the Security Council agrees to take up this vote? Let's do this tonight. The Syrian people can't wait."
At least 462 people have been killed since the bombing intensified last week, including at least 99 children, the Syrian Observatory for Human Rights monitoring group said.