Moscow did not ask Syrian President Bashar al-Assad to step down, nor did it offer him political asylum, Russian Foreign Minister Sergei Lavrov says.
"In both cases, the answer is: 'No'," Lavrov told his annual news conference on Tuesday.
"This is untrue ... No one asked about political asylum, and no one offered anything of the kind."
Lavrov also said Islamic State militants were building up influence in Afghanistan.
He said Russia's actions in Syria have helped to reverse the situation in the country.
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"The actions of the Russian Air Force .... have tangibly helped to turn the tide in (Syria)," he said.
"As a result, there is a significantly clearer picture of what is happening.
"It has become clear who is fighting the terrorists, who is acting as their accomplices, who tries to use them for their unilateral, selfish goals."
He also claimed that Moscow has information that Islamic State militants are being trained in Georgia's Pankisi Gorge near Russia's border.
