Washington (CNN) - Russia's proposal for Syria to surrender its chemical weapons to international control was a "potentially positive development," but could be a stall tactic, President Barack Obama told CNN on Monday.

"We're going to run this to ground," Obama said in an interview with CNN's Wolf Blitzer, adding that the United States will work with Syrian ally Russia and the international community "to see if we can arrive at something that is enforceable and serious."

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