The Bulgarian forces conquered Kumanovo, Štip, and Skopje, and prevented the withdrawal of the Serbian army to the Greek border and Salonika.

[5] On 26 October, Protogerov ordered the execution of 118–120 wounded and sick Serbian soldiers who at the time were recuperating at the Štip town hospital.

Elements of IMRO commanded by Ivan Barlyo and the 11th Bulgarian Division then transported to the outskirts of the Ljuboten village, where they were summarily executed.

The Bulgarian delegation at the Paris Peace Conference said that crimes were grossly exaggerated, and that the text prepared by the Inter-Allied War Commission was full of falsifications[7][non-primary source needed] , those accusations were immediately answered by both the Serbian and the Greek governments in two memorandums entitled: Les mensonges Bulgares (The Bulgarian lies) and Une reponse à La vérité sur les accusations contre la Bulgarie.

Bulgaria's official response to the enquiry stated that 3 people were arrested and 2 executed for their involvement in various violations of the rules of war.