In early 1955, during a battle with the Cao Đài forces of Trình Minh Thế, after a dispute over control of the That Son region, Ba Cụt was wounded in a disputed incident.
Pada awal 1955, selama pertempuran dengan pasukan Cao Đài dari Trình Minh Thế, setelah perselisihan atas penguasaan kawasan That Son, Ba Cụt terluka di insiden itu.