The party suffered a split following the 28 June 1948 resolution of Cominform, resulting in the expulsion of the Communist Party of Yugoslavia. The pro-Yugoslavia wing was led by Branko Babič, and the pro-Cominform wing was led by former Comintern agent Vittorio Vidali. The pro-Cominform wing was able to retain a majority in the Central Committee (6 against 4), and Vidali became the leader of the party. Under Vidali's leadership the party began opposing the annexation of the Free Territory by Yugoslavia.