马占山
On November 28, 1932, Japanese 14th division attacked Ma Zhanshan and Su Bingwen around Qiqihar. Japanese planes bombed Ma Zhanshan's headquarters in Hailar. By December 3, the Japanese took over Hailar's Ma Zhanshan headquarters. The following day, after heavy fighting, Ma Zhanshan and Su Bingwen and the remnants of their forces left Hailar for the Soviet border and entered Russian territory on December 5. Most of their troops were transferred to Rehe.