 Yang Guang took the throne as Emperor Yang.Soon afterwards, Emperor Yang's younger brother Yang Liang the Prince of Han rose in rebellion at Bing Province (并州, roughly modern Taiyuan, Shanxi).Yang Liang's general Qiao Zhongkui (喬鍾葵) afterwards put Li Jing (李景), the commandant of Dai Province (代州, roughly modern Xinzhou, Shanxi), who remained loyal to Emperor Yang, under siege.