 The Russians marched downstream and ravaged the neighbourhood of Kazan but did not dare to lay siege to the Tatar capital because Qasim's widow had pledged to negotiate an advantageous peace with Ibrahim (her son).In the meantime, the units from Yaroslavl and Veliky Ustyug vainly attempted to win Vyatka to the Russian side.After negotiations were broken, the Tatars clashed with the Russians in two bloody but indecisive battles.