Mass political arrests, deportations, and executions followed. Repressions, executions and mass deportations followed after that in the Baltics. Protesters were dealt with harshly, by measures including arrests and deportations. He sent fifteen reports regarding "deportations and mass killings" to the German chancellery. The NKVD (later KGB) carried out mass arrests, deportations, and executions. From this period, persecution of Jews and deportations became endemic. The force was also deeply involved in immigration matters, and especially deportations of suspected radicals. Kurds subsequently faced many repressive measures, including deportations. Kurds subsequently faced many repressive measures, including deportations, imposed by the Soviet government. Foreign nationals were also subjected to a campaign of deportations. During August 1943, rumors circulated in Theresienstadt of a resumption in deportations. Some Black Hebrews renounced their American citizenship in order to try to prevent more deportations. But as the news about the imminent deportations leaked out, protests arose throughout Bulgaria. He ordered, with the prior approval of Lenin, a wave of deportations and hostage shootings. Tensions grew as the colonial government tried to restrict Chinese migration through deportations.