Pest overrun and burned
Editorial contextAfter the defeat at the Sajó, crowds gathered in Pest, 'a great township' on the far bank of the Danube, and began to dig a rampart and weave wicker fences, against the advice of Prince Coloman. The Tartars camped around it and shot it to pieces for two or three days, broke in and slaughtered the people; then they set fire to the whole town. Thomas says about ten thousand more burned in the Dominican house where they had taken refuge.
So the Tartar battle lines, having fixed their camps around the whole township, began to attack it from every side … and because the place was not well enough fortified, one day the Tartars burst in with a single rush, and there was no more fighting and no resistance at all.
Working translation
Original wording
Igitur Tartarorum acies suis castris circa totam Villam defixis, coeperunt eam undique impugnare … & quia locus non satis erat munitus die quadam uno impetu Tartari irruperunt, nec fuit ultra congressio, nec resistentia ulla.
About Mongol army
Keep in mind
Thomas's figure of over 100,000 dead in one day, given on the same page, is not credible as a count.