[JURIST] The Swiss government announced Monday that a special prosecutor has been appointed to determine whether government officials in the Swiss Federal Prosecutor's Office leaked secret information that aided Russia's legal campaign against Yukos, its largest oil company. The Swiss government made the appointment in response to complaints from lawyers defending Yukos that claimed Swiss officials disclosed information regarding $4.9 billion of Yukos-related assets in Switzerland that were frozen in reponse to the Russian investigation. SwissInfo has more. Paper Chase has background on the Yukos case and the Russian prosecution of former Yukos head Mikhail Khodorkovsky.