The treatment of WikiLeaks founder Julian Assange, who is facing the threat of extradition from Britain to the US on espionage charges, is putting his life "at risk", according to an independent UN rights expert. "Unless the UK urgently changes course and alleviates his inhumane situation, Mr Assange's continued exposure to arbitrariness and abuse may soon end up costing his life," the UN special rapporteur on torture and other cruel, inhuman or degrading treatment, Nils Melzer, said in a statement. Mr Melzer, who visited the 48-year-old Australian in a London prison on May 9, nearly a month after his arrest...