USA made Russia the last sentence to achieve Syrian agreement and expect a response from Russia in the next few days.
This writes the Washington Post, citing sources in the US administration of US President.
It is noted that the proposal in question to achieve a truce in the whole territory of Syria, ensuring the safe delivery of humanitarian assistance, as well as the cessation of Syrian Air flights. In addition, according to a joint Russian-American air campaign on militant positions.
The administration of US President made it clear that Washington's patience in trying to conclude an agreement with Russia comes to an end.
As reported by the "Observer", Obama has called on Russia to make concessions on Syria.