 In the summer of 1941, Trubar, Bosansko Grahovo and Krnjeuša were the sites of the first massacres and other attacks against ethnic Croats in the southwestern Bosnian Krajina.In early October 1942 in the village of Gata near Split, an estimated one hundred people were killed and many homes burnt purportedly as reprisal for the destruction of some roads in the area and carried out on the Italians' account.In that same October, formations under the command of Petar Baćović and Dobroslav Jevđević, who were participating in the Italian Operation Alfa in the area of Prozor, massacred over five hundred Croats and Muslims and burnt numerous villages.