(AGI) - Kiev, Sept. 26 - Ukrainian authorities have discoveredthree mass graves in Slaviansk, one of the cities in the eastof the country controlled by pro-Russian separatists. The newswas reported by the spokesman for Kiev's National Security andDefence Council, Andrei Lisenko. "Three mass graves have beenfound. The bodies have been exhumed and sent to forensicdoctors for autopsies to be carried out and to determine causeof death," said Lisemko. The spokesman explained that accordingto preliminary data, deaths date back to early June. . .