Russian President Vladimir Putin shakes hands with Syrian President Bashar al-Assad during a meeting at the Kremlin in Moscow, on 20 October 2015Russia says it is not crucial for Syria's President Bashar al-Assad to stay in power, saying it is up to the Syrian people to decide, the Russian foreign ministry has said.

When asked if saving the Syrian leader was a matter of principle for Russia, spokeswoman Maria Zakharova said: "Absolutely not, we never said that."