Arrested in January 1949 , he was tried secretly .
Arrested in January 1949 , he was executed by a firing squad in the event known as the Night of the Murdered Poets on 12 -- 13 August 1952 .
Arrested in January 1949 , he was tried secretly and executed by a firing squad in the event known as the Night of the Murdered Poets on 12 -- 13 August 1952 .