Analysis of information sources in references of the Wikipedia article "Yelü Dashi" in English language version.
When they reached the country of the Qirqiz they made attacks on the tribes in that area, who in turn harassed the Khitayans. From thence they journeyed on till they came to the Emil, where they built a town of which some traces still remain.
Hearing of the settlement of the gür-khan and his followers and their great numbers, he sent messengers to him to inform him of his own powerlessness and of the strength and wickedness of the Qanqli and Qarluq and to beg him to advance upon his capital so that he might place the whole of his kingdom under his control and so free him-self from the cares of this world. The gür-khan proceeded to Balasaqun and ascended a throne that had cost him nothing.