OGPU
In the same period, a raid on the Soviet embassy in Beijing (April 6) took place; British police searched the Soviet-British joint-stock company Arcos in London (May 12). In June 1927, representatives of the Russian All-Military Union conducted a series of terrorist attacks against the Soviet Union. In particular, on June 7, White émigré Koverda killed the Soviet Plenipotentiary in Warsaw, Voykov, on the same day in Minsk, the head of the Belarusian Joint State Political Directorate, Iosif Opansky, was killed, the day before, the Russian All-Military Union terrorist threw a bomb at the Joint State Political Directorate in Moscow. All these incidents contributed to the creation of a "military psychosis" environment, the emergence of expectations of a new foreign intervention ("crusade against Bolshevism").