<prompt> Bhala ukuqhubeka kwalesi sigaba - Ngesikhathi sekongqungquthela yama-protogerovist ehlobo lika-1931, kanye noGrigor Petkov, uLev wakhethwa njengomgijimi wekomidi eliphakathi. Wabekwa ekamu eKarlovo, kodwa wabalekela isikhundla sakhe ekuqaleni kuka-1934 kanye noPetar Shandanov. Ngemva kwalokho, wabamba iqhaza ekulungiseleleni ukuvukelwa kombuso ngo-1934  <response>: futhi nasekushushisweni kwabalandeli bakaMihailov. Ngo-1935, wabulala isithandwa sakhe eBankya, wabe esecasha nezihlobo eSofia. Ngo-1936, wagwetshwa iminyaka engu-15 ejele. 