The commissioner had apparently been instructed by Siamese government representatives to "compel their [French troops] retirement, by fighting, if necessary, to the utmost of their strength" .The ambush resulted in the razing of the village and the killing of Grosgurin and 17 Vietnamese.
The incident and the death of Grosgurin became known as the "Affair of Kham Muon (Kien Chek)" and was ultimately used as a pretext for the strong French intervention