 On October 15, 1947, Yi County (Yi Xian, 义县) was besieged by the communists.By October 17, Fuxin had fallen into the communist hands after the attacking communist 7th Column had completely annihilated the local nationalist garrison, a brigade and a regiment of the nationalist 51st Division.The success of the communist 7th Column, 8th Column and the 9th Column had prevented any nationalist reinforcement from reaching north of Shenyang.