 not convicted) in Dnipropetrovsk oblast were either held in Preliminary Prison 4 in Kryvyi Rih or in "detention blocks" in Dnipropetrovsk; this contravened Ukrainian Law "On preliminary incarceration".Journeys from Kryviy Rih took up to six hours in special railway carriages with grated windows.Some prisoners had to do this 14 or 15 times.