Bosnian Serb wartime leader Radovan Karadzic (R) and his general Ratko Mladic are seen on Mountain Vlasic in this April 1995 file photo. Karadzic, one of the world's most wanted men, has been arrested, a statement from the office of Serbian President Boris Tadic said on July 21, 2008. REUTERS/Ranko Cukovic/Files
