 The defeat at <unk> broke the back of <unk> defenses . The <unk> army lost several thousand men as well as senior commanders . <unk> , the next fort <unk> , fell just six days later on 9 December <unk> . The <unk> sources say that the <unk> lost 10 @,@ 000 men at <unk> . The <unk> armies pushed farther south into the <unk> valley . They took the ancient <unk> capital of <unk> , about 380 km north of Pagan on 5 February <unk> . There , the invaders paused their advance . They found the heat of the searing <unk> valley excessive , and evacuated <unk> , allowing the <unk> to return to <unk> on 10 May <unk> . But the <unk> army renewed their offensive in the following dry season . They retook <unk> , and defeated another <unk> stand south of <unk> , probably near <unk> , on 26 January <unk> , opening the way to Pagan , about 270 km south . After the defeat , the king <unk> , and fled to Lower Burma . The evacuation proved premature . The <unk> forces did not advance on Pagan as it was not part of their invasion plan . 
