Milan Gvero and the army high command. On 17 February 2013, Gvero died at the Military Medical Academy in Belgrade, aged 75, from undisclosed causes. Milan Gvero Milan Gvero (Serbian Cyrillic: Милан Гверо) (4 December 1937 – 17 February 2013) was a retired Bosnian Serb Army (VRS/Army of Republika Srpska) general sentenced to five years in jail by the International Criminal Tribunal for the former Yugoslavia (ICTY) on charges of war crimes and crimes against humanity committed during the Bosnian War of 1992-95. In response to Radovan Karadžić's attempt to remove Ratko Mladić as commander of the Bosnian Serb military in early
1992 Bosnian independence referendum Serb People of Bosnia and Herzegovina and in November held a referendum about remaining within Yugoslavia. At the same time it issued the "Instructions for the Organization and Activities of the Organs of the Serbian People in Bosnia and Herzegovina in Emergency Conditions" which told SDS officials to form Serb Municipal Assemblies and Crisis Staffs, secure supplies for Serbs, and create extensive communication networks. In January 1992, the assembly declared the creation of the Republic of the Serb People of Bosnia and Herzegovina and its secession. The Bosnian government declared the referendum an unconstitutional and self-proclaimed entity and it was