UN appeals judges have upheld the convictions of former Bosnian Serb military chief Ratko Mladic for genocide and confirmed his life sentence.The judgment means the 79-year-old former general who had a pivotal role in the massacre of some 8,000 people at Srebrenica in 1995 and terrorised Sarajevo in a 43-month siege during the Bosnian war in the mid-1990s, will spend the rest of his life in prison.Mladic joins ex-Bosnian Serb president, Radovan Karadzic, in serving a life sentence for masterminding ethnic bloodshed in the Bosnian war that left more than 100,000 dead and millions homeless.He was convicted in 2017 on...