 In Bulgaria, when it appeared that Traicho Kostov, who was not a Moscow cadre, was next in line for leadership, in June 1949, Stalin ordered Kostov's arrest, followed soon thereafter by a death sentence and execution.A number of other high ranking Bulgarian officials were also jailed.Stalin and Hungarian leader Mátyás Rákosi met in Moscow to orchestrate a show trial of Rákosi opponent László Rajk, who was thereafter executed.