 Firstly, on 4 February, a mixed Russian/Mongolian force led by White Russian warlord Roman von Ungern-Sternberg captured the city, freeing the Bogd Khan from Chinese imprisonment and killing a part of the Chinese garrison.Baron Ungern's capture of Urga was followed by clearing out Mongolia's small gangs of demoralized Chinese soldiers and, at the same time, looting and murder of foreigners, including a vicious pogrom that killed off the Jewish community.On 22 February 1921, the Bogd Khan was once again elevated the Great Khan of Mongolia in Urga.