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
Army of the Republic of Bosnia and Herzegovina with light weaponry. The army was surrounded and the transfer of supplies was hard, if not impossible. 1993 saw no major changes in the front lines against Serbs. Instead, this year marked the start of the Croat–Bosniak War in Central Bosnia and in Herzegovina, notably the Mostar region. Pressured and contained by heavily armed Serb forces in Bosnia-Hercegovina and Croatia, ethnic Croat militia forces – the Croatian Defence Council (HVO) – shifted their focus from defending their parts of Bosnia from Serbs to trying to capture remaining territory held by the Bosnian Army. It is widely believed that this was