Complex sentence: There are some who believe that Lavrentiy Beria and Georgy Malenkov plotted against them in 1950, and initiated what became known as the Leningrad Affair, which consisted of several fabricated criminal charges against Kuznetsov and Voznesensky.
Split into simpler sentences: There are some who believe that Lavrentiy Beria and Georgy Malenkov plotted against them, and initiated what became known as the Leningrad Affair in 1950. The Leningrad Affair consisted of several fabricated criminal charges against Kuznetsov and Voznesensky.