Sich chancellor Petro Sukhoviy who also secured support of Crimean Tatars. Sukhoviy challenged Doroshenko, but he was defeated at the battle of Olkhivets by the troops of Petro Doroshenko and Ivan Sirko. In summer of 1669 Sukhoviy along with Tatars attacked Doroshenko, but the Ottomans requested for Crimean Tatars to withdraw their support for Sukhoviy. In June 1669 Sukhoviy was deposed and he supported the election of the Uman Regiment Colonel Mykhailo Khanenko. Eventually Sukhoviy escaped to Crimea after Khanenko was defeated by Doroshenko at the battle of Stebliv on 29 October 1669. In 1670 in Ostrog through the local commission, Doroshenko unsuccessfully tried to revive the principles 1658 Treaty of Hadiach in negotiations with Poland. Meanwhile, Khanenko's envoys managed to conclude a treaty with the Poles in Ostrog on 2 September 1670. Soon after the Poles recognized his hetmancy, Khanenko and Jan Sobieski launched a massive invasion onto the Right-bank. War campaign against Poland and Russia In 1672, with a force of 12,000 he aided the 100,000 strong Ottoman Army which invaded Poland, defeating the Polish army at the battle of Chertvenivka and laid siege to Kamenets (it had been captured and sacked) as well as Lviv. The war ended with the capture of Podolia and the signing of the Peace of Buchach. According to the terms of the treaty, the Podolia voivodeship was turned into an Ottoman province. And the Bratslav Voivodeship and the southern portion of the Kiev Voivodship were to be recognized as Cossack territory administered by Doroshenko under a Turkish protectorate. But the war left consequences for Doroshenko, devastating his country. The vast Ukrainian territory was laid waste, cities were burned down, and hundreds of people were taken into captivity by the Crimean Tatars. Meanwhile, in summer of 1672, Demian Mnohohrishny was replaced by Ivan Samoylovych at the 1672 Cossack general council near Konotop, Cossack Grove. As the Right-bank faced devastation by the Turkish power, Doroshenko began to lose the respect of his previously loyal civilians because of his collaboration with the "hated infidels." Although the alliance did perform an integral part in his successes, the rest of the population suffered at the hands of the Turks. As his forces were weakened from the ongoing wars, Doroshenko was forced to rely increasingly on the Ottomans. This was very unpopular with the majority of deeply Orthodox Christian Cossacks. As the Turks were considered the hated infidels