The other prong of the communist pincer movement included the 20th Army, the 27th Army, 30th Army, and the 31st Army of the communist IX Corps and a part of communist Artillery Column. Two armies would attack from Nanxun and Wujiang, toward Fengxian, Nanhui, Chuansha regions near/in Pudong, helping the communist X Corps to blockade the Wusong after approaching Gaoqiao. Another two armies would group at the regions south of Songjiang and east of Jiaxing, taking Qingpu when the situation permitted, and then attack the city from the east, south and west.