The issue focused on his decision to kill of 3,000 men in the former Yugoslavia in 1999.

Kosovo's president at the time, Slobodan Milosevic, was found guilty of war crimes and sentenced to death. He has been held in a high-security prison since then.

In March 2015, after years of waiting for the trial to start, three Serb leaders were convicted of genocide in absentia. The leader of Serbia, Vojislav Seselj