 Trubetskoy's forces were thus divided between this detachment and those besieging Konotop.According to the Chronicle of the Eyewitness and Solovyov the detachment of Pozharsky consisted of 30,000 men.On 28 June 1659 Prince Semen Pozharsky, in his pursuit of the Cossacks, crossed the river Sosnivka and made his camp on the southern bank of the river.