In 1672, Petro Doroshenko, supported by Turkish troops, recaptured the city, but in 1673, Left-Bank Hetman Ivan Samoylovych took the city from him, and left 5,000 Cossacks to guard the fortress. Doroshenko again asked Turks to help him recapture the city, and Sultan Mehmed IV sent a detachment with his son Oslam Giray.
Ladyzhyn - Wikipedia
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In 1672, Petro Doroshenko, supported by Turkish troops, recaptured the city, but in 1673, Left-Bank Hetman Ivan Samoylovych took the city from him, and left 5,000 Cossacks to guard the fortress. Doroshenko again asked Turks to help him recapture the city, and Sultan Mehmed IV sent a detachment with his son Oslam Giray.