 The Chinese forces on the Yunnan front mounted an attack starting in the second half of April, with nearly 40,000 troops crossing the Salween River on a front.Within a few days some twelve Chinese Divisions, totalling 72,000 men under the command of General Wei Lihuang, were attacking the Japanese 56th Division.The Japanese forces in the North were now fighting on two fronts, against the Allies from the North West and the Nationalist Chinese from the North East.