The announcement by Russian Foreign Minister Sergey Lavrov came a few hours after US Secretary of State John Kerry said that Syrian President Bashar al-Assad could resolve the crisis surrounding the alleged use of chemical weapons by his forces by surrendering control of "every single bit" of his arsenal to the international community by the end of the week.
Kerry added that he thought Assad "isn't about to do it," but Lavrov, who just wrapped a round of talks in Moscow with his Syrian counterpart Walid al-Moallem, said that Moscow would try to convince the Syrians.
"We are calling on the Syrian leadership to not only agree on placing chemical weapons storage sites under international control, but also on its subsequent destruction and fully joining the treaty on prohibition of chemical weapons," he said.
Lavrov said that he has already handed over the proposal to al-Moallem and expects a "quick, and, hopefully, positive answer."
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His statement followed media reports alleging that Russian President Vladimir Putin, who discussed Syria with President Barack Obama during the group of 20 summit in St Petersburg last week, sought to negotiate a deal that would have Assad hand over control of chemical weapons.
The Russian move comes as Obama, who has blamed Assad for killing hundreds of his own people in a chemical attack last month, is pressing for a limited strike against the Syrian government. It has denied launching the attack, insisting along with its ally Russia that the attack was launched by the rebels to drag the US into war.