Gotovina assessed the VRS's resistance to the HV and the HVO units early on during the battle as fierce, while former RSK officers said that the overall resistance of the VRS and the RSK battlegroup in Bosansko Grahovo area was not great. Of the attacking HV/HVO forces, 18 men were killed in action and 155 were wounded. Approximately of territory changed hands and the KninDrvar road, vital to resupply of the RSK, was interdicted. The offensive displaced between 12,000 and 14,000 Serb refugees who fled towards Banja Luka.