 Ultimately, in the pacification of Ukraine that began during the Soviet counteroffensive in 1920 and which would not end until 1922, the Soviets would take tens of thousands of Ukrainian lives.On 7 June, the same day Budyonny's Cossacks, spreading terror in the rear of recently broken Polish frontlines, burned a hospital in Berdychiv, with 600 patients and International Red Cross nuns inside.There were also accusations against Stanisław Bułak-Bałachowicz, a former officer of the Imperial Russian and Bolsheviks armies, who switched sides in the conflict and became a general in Poland.