Russia's Foreign Ministry claimed Sunday that Bashar Assad had left Syria after negotiations with rebel groups, and gave instructions to transfer power peacefully.
In a post on the Telegram messaging app on Sunday, the ministry said Moscow had not directly participated in these talks. It also said it has been following the dramatic events in Syria with extreme concern".
It also said Russian troops stationed in Syria have been put on high alert and that as of early afternoon Sunday, there was no serious threat to the security of Russia's military bases there.
Russia has waged a military campaign in Syria since September 2015, teaming up with Iran to allow Assad's government to fight armed opposition groups and reclaim control over most of the country.
While Russia now concentrates the bulk of its military resources in Ukraine, it has maintained a military foothold in Syria and keeps troops at its bases there.