Following the capture of Kilkis, the Greek army's pace was not quick enough to prevent the retaliatory destruction of Nigrita, Serres, and Doxato and massacres of non-combatant Greek inhabitants at Sidirokastro and Doxato by the Bulgarian army.
Pärast Kilkíse vallutamist ei olnud Kreeka armee tempo piisavalt kiire, et ära hoida Nigríta, Sérresi ja Doxáto purustamist ning Kreeka asukate massimõrvu Demir Hisaris ja Doxátos Bulgaaria armee poolt.