 After capturing the railway tunnels and some hills which dominated the Maungdaw-Buthidaung road, XV Corps halted during the monsoon.Some ground in the malarial Kalapanzin valley was given up to reduce losses to disease, and Japanese counter-attacks forced the isolated 81st (West Africa) Division to retreat up the Kaladan Valley.At Imphal, IV Corps under Lieutenant-General Geoffry Scoones had pushed forward two divisions to the Chindwin River.