Russian filtration camps for Ukrainians

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Filtration camps, also referred to as concentration camps,^[2][3][4] are camps used by Russian forces during the 2022 Russian invasion of Ukraine^[5][6][7][8] to register, interrogate, and detain Ukrainian citizens in regions under Russian occupation^[1] before transferring them into Russia,^[9] sometimes as part of forced population transfers.^[10] Filtration camp detainees undergo a system of security checks and personal data collection.^[11] Detainees are subject to widespread torture, killings, rape, starvation and other grave human rights violations.^{[12][13][14][15][16]}

The number of Ukrainian citizens relocated to Russia cannot be independently verified. According to the Ukrainian government, some 1.6 million Ukrainians have been forcibly relocated to Russia, with about 250,000 of these being children.^[17] The Russian government denies it is forcibly removing Ukrainians to Russia^[7] and calls the deportations "evacuation".^[18]

According to a leaked Russian occupation plan, "filtration" was to represent the foundation of their counter-insurgency and pacification strategy, with Russian occupation authorities planning to pass large portions of the Ukrainian population through the "filtration" process after occupying the entire country.^[19]