Assad was nowhere to be seen as Syrian cities and provinces fell to rebels led by the Islamist militant group Hayat Tahrir al-Sham (HTS) within a period of 12 days.
However, speculation mounted that he had fled the country as even his prime minister was not able to contact him during the rebel sweep into Damascus.
On 9 December, Russian media announced that he had been given asylum there – even though there has not been any official confirmation.
The Syrian rebel groups are continuing to form a transitional government.
HTS, Syria’s most powerful rebel group, was set up under a different name, Jabhat al-Nusra, in 2011 and pledged allegiance to al-Qaeda the following year.
Al-Nusra broke ties with al-Qaeda in 2016 and later took the name HTS when it merged with other factions. However, the UN, US, UK and a number of other countries continue to designate it as a terrorist group.
Its leader Ahmed al-Sharaa, who previously used the nom de guerre Abu Mohammed al-Jolani, has pledged tolerance for different religious groups and communities. But his group’s jihadist past has left some doubting whether it will live up to such promises.