Roundup (history)
（重定向自Rafle）
A roundup (Polish: łapanka, [waˈpanka]; French: rafle or attrapage) was a widespread Nazi German World War II military tactic used in occupied countries, especially in German-occupied Poland, whereby the SS, Wehrmacht and RSHA ambushed at random thousands of civilians on the streets of subjugated cities for enforced deportation. The civilians were captured in groups of unsuspecting passers-by, or kidnapped from selected city quarters that had been surrounded by German forces ahead of time.