Former commander of the Republic of Serb Krajina Army general major Mile Mrksic died in the detention facilities in Portugal where he was serving the sentence pursuant to the ICTY ruling, Radio Television of Serbia reported.

Serbian Deputy Prime Minister Rasim Ljajic announced on Saturday that he will ask for immediate release for treatment in Serbia in case of Mile Mrksic, who was transferred to the Lisbon prison in 2012.
ICTY sentenced Mrksic and several more Serbs in 1995 for mass murder of over 260 people at Ovcara in the vicinity of Vukovar. Mrksic willingly surrendered to the court on May 15, 2002.
The trial began in October 2005 and the ICTY Trial Chamber pronounced the verdict against Mrksic on September 27, 2007, sentencing him to 20 years of imprisonment for aiding and abetting torture, brutal treatment and murder of 194 Croatian inmates at a farm in Ovcara on November 20, 1991.

 http://inserbia.info/today/2015/08/mile-mrksic-dies-in-detention/