The invasion of Muscovy was led by Mehmed I Giray of the Crimean Khanate, a vassal of the Ottoman Empire.
[1][6] Mehmeds brother Shihab Giray joined him at Kolomna massacring people and desecrating churches as he advanced.
[6] Vasili reportedly humiliated himself, he was forced to pay tribute and made to sign a treaty formalising his status as dependent on and a tributary of the Crimean Khanate.
[8] Following the submission of Vasilli, Mehmed Giray withdrew, reportedly in 1523 after news of an offensive against Crimea by the Astrakhan Khanate.
[9] During his withdrawal Mehmed was attacked by the cannonballs of the governor of Riazan who took the humiliating treaty from him, however 30,000 prisoners were taken to Kaffa and sold to the Turks.