 Complete the following phrase:  It was one of the most severe fires in the history of the city. Historians estimate the number of casualties of the fire from 60,000 to as many over 200,000 people. Foreigners visiting the city before and after the fire have described a noticeable decrease in the city population, and Ivan the Terrible avoided the city for several years after the fire due to the lack of suitable habitation for him and his entourage. The khans attempt to repeat the raid in 1572 was repelled in the 