On 4 May 1648, near Kamianyi Zaton, Mykhailo Krychevsky's 3,500 registered Cossacks mutinied, killing all the officers (Krychevsky himself was taken prisoner and would join Khmelnytsky's army). Cossacks who stayed loyal to the Crown Army, such as Ivan Barabash, were cut down, as well as the German dragoons in their midst.
On 4 May 1648, near Kamianyi Zaton, Mykhailo Krychevsky's 3,500 registered Cossacks rebelled, killing all the officers (Krychevsky himself was captured and would join Khmelnytsky's army). The loyal Cossacks to the Crown Army, such as Ivan Barabash, were slaughtered, along with the German dragoons in their midst.