 From June 1942 , as part of the " Final Solution " , Jews living in Belgium were ordered to report to the Mechelen transit camp . Those who did not do so voluntarily were rounded up by the police . Between August 1942 and July 1944 , a total of twenty @-@ six railway convoys deported 25 @,@ 000 Jews and 350 Roma from Belgium to eastern Europe . Most were sent to the Auschwitz death camp , although others went to camps at Bergen @-@ Belsen and <unk> . 
