Naser Oric was acquitted by a UN court of war crimes against Bosnian Serb Civilians, however was arrested earlier this month due to an outstanding Serbian arrest warrant issued last year.
A spokesperson from the Serbian Justice Ministry told Reuters that an official request had been issued to Swiss authorities
Naser Oric, regarded by Bosniak muslims as a hero, was a commander of the Srebrenica region before it fell to Serbian forces that were complicit in the Bosnian genocide.