Russia, one of Syria's few remaining allies, urged Damascus on Wednesday to allow an Arab League mission to move around the country freely as they investigate whether Syria is implementing a peace plan to end months of violence.
"The mission should be able to visit any part of the country, any towns or villages, and come up with its own independent, objective opinion about what is happening and where," Foreign Minister Sergei Lavrov said.
Russia has submitted a revised United Nations draft resolution condemning the bloodshed but stopped short of blaming Syrian President Bashar Assad.
Moscow supports the observer mission.
"We have consistently worked with the Syrian leadership, urging full cooperation with the observers on the provision of comfortable and free conditions for work," Lavrov said.