Ungern's troops began moving from their camp to Urga on 31 January. On 2 February, they battled for control of Chinese front lines and secured parts of Urga. His detachment, led by B. P. Rezukhin, captured Chinese front-line fortifications near Small Madachan and Big Madachan settlements in the southeastern vicinities of Urga. During the battle Ungern's special detachment of Tibetans, Mongols, Buryats, and Russians rescued the Bogd Khan from house arrest and transported him through the Bogd Uul to Manjushri Monastery. At the same time, another detachment moved to the mountains east of Urga.
