Russia's military bases in Syria under threat

Moscow: The rebel offensive that ousted Moscow ally Bashar al Assad has left Russia s military bases in Syria under threat. The Tartus naval base a...

Moscow: The rebel offensive that ousted Moscow ally Bashar al-Assad has left Russia's military bases in Syria under threat.

The Tartus naval base and Hmeimim air base are Russia's only military outposts outside the former Soviet Union and have been key to the Kremlin's activities in Africa and the Middle East.

Russian state media report that the Syrian opposition has "guaranteed" the security of the facilities, but it is not clear if Moscow will maintain control of them.

Here's what we know about them:

Tartus