Русско-англо-русский юридический словарь

A roundup is a police operation of interpellation and arrest of people taken at random from a public place, or targeting a particular population by ethnicity, appearance, or other perceived membership in a targeted group. To ensure operational success, organizers rely on the element of surprise in order to reduce the risk of evasion as much as possible. (Wikipedia)

On a hot day in August she remembers the frightening horror of a Paris round-up of Jews and how her parent's door was smashed through with an axe. (BBC)

Mussolini was overthrown in July 1943, and the Nazis moved to occupy Italy and commenced a round-up of Jews. (Wikipedia)

Every year over 300 law enforcement agencies participate in The Great Texas Warrant Roundup. During the roundup, extra officers are assigned to roundup duties to track down and arrest people with outstanding warrants [for unpaid traffic tickets] at their homes, places of work and even their classrooms. (The Law Office of Todd E. Tkach, P.C.)