The sudden death of an exiled Georgian billionaire may have been another "Alexander Litvinenko-style" murder, it is feared. A major crime squad is investigating the death of 52-year-old Badri Patarkatsishvili, whose body was found at his country mansion in Surrey at about 11pm last night. His family said he suffered a heart attack - but Surrey Police have launched an investigation to confirm the exact cause of death after reports of a plot to kill him. Sky News' home affairs correspondent Mark White said: "The police want to leave no stone uncovered. "In the light of Litvinenko's death in 2006...