《梁书·列传·卷五十六》
贼兵又登上束宫的墙，向宫城内放箭。到晚上，太宗招募人出城火烧束宫，东宫的楼台宫殿全被焚毁。
又登东宫墙，射城内，至夜，太宗募人出烧东宫，东宫台殿遂尽。
The rebel soldiers then climbed up the wall of the Shu Palace and fired arrows into the Imperial Palace. At night, Taizong recruited men to go out of the city and set fire to the Shu Palace. All the buildings in the East Palace were burned down.