It was the first time a high government official openly declared that his resignation was a sign of protest against Karimov .
Before his resignation , Mamatov declared that dictatorship was reigning in Uzbekistan .
It was the first time a high government official openly declared that Mamatov resignation resignation was resignation sign of protest against Karimov .
Before his resignation , Mamatov declared that dictatorship was reigning in Uzbekistan .