Former Mexican foreign minister , Raul Castro fired two top - ranking officials . It 's said they were plotting to overthrow him fearing he 'd betray Cuban revolution . He said plotters received support from Venezuelan President Hugo Chavez . Some long - time Cuba officials skeptical over the report .
Former Mexican foreign minister says Raul Castro removed two top-ranking officials . It 's claimed they were plotting to overthrow him fearing he 'd betray Cuban revolution . Report says plotters received support from Venezuelan President Hugo Chavez . Some long-time Cuba watchers skeptical over the report .