KANSAS CITY, Mo. (Feb. 18, 2016) — Tens of thousands of people in Kansas are being deprived of their right to vote, the American Civil Liberties Union argued in a lawsuit filed on Feb. 18 that challenged a state law requiring residents to show proof of citizenship when they register to vote.

The suit is the latest to take direct aim at a three-year-old measure ushered into law by Secretary of State Kris W. Kobach, who has lobbied heavily over the years for measures that he said were needed to prevent non-citizens from casting ballots.

The ACLU, arguing that fraud claims were unfounded, brought the class-action suit in federal court on behalf of six Kansas residents who said they were left off the voter rolls after registering at the state’s Department of Motor Vehicles.

Passed by its Republican-dominated legislature five years ago, the law requires residents to show proof of citizenship when they register.

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