Serbia in the Yugoslav Wars from the FRY, as the Bosnian Serb faction alone could not pay for the costs. The Bosnian Serb Army was led by Ratko Mladić, an extremely controversial figure, who served the Yugoslav Army during the Croatian War of Independence 1991-1992, and has been accused of committing war crimes in Bosnia. Serbian Radical Party founder and paramilitary Vojislav Seselj publicly claimed Milošević personally asked him to send paramilitaries from Serbia into Bosnia and Herzegovina. After 1993, media reports of large-scale atrocities by the Bosnian Serb armed forces, such as the long siege of Sarajevo, resulted in increased pressure and sanctions by
Bosnia and Herzegovina state of the United Nations on 22 May 1992. Serbian leader Slobodan Milošević and Croatian leader Franjo Tuđman are believed to have agreed on a partition of Bosnia and Herzegovina in March 1991, with the aim of establishing Greater Serbia and Greater Croatia. Following Bosnia and Herzegovina's declaration of independence, Bosnian Serb militias mobilized in different parts of the country. Government forces were poorly equipped and unprepared for the war. International recognition of Bosnia and Herzegovina increased diplomatic pressure for the Yugoslav People's Army (JNA) to withdraw from the republic's territory, which they officially did in June 1992. The Bosnian