The arrival of King Sigismund III Vasa at Smolensk caused a majority of his Polish supporters to desert him and join with the armies of the Polish king. At the same time, a strong Russo-Swedish army under Mikhail Skopin-Shuisky and Jacob De la Gardie approached Tushino, forcing him to flee his camp disguised as a peasant and go to Kostroma, where Marina joined him and he lived once more in regal state. He made another unsuccessful attack on Moscow, and, supported by the Don Cossacks, recovered a hold over all south-eastern Russia. However, he was killed, while half drunk, on 11 December 1610 by a Tatar princeling, Peter Urusov, whom he had flogged. Hetman Stanisław Żółkiewski described this event in his memoirs: