(Reuters) – A U.S. court in Texas heard arguments on Tuesday in a case over a law requiring voters to present photo identification, a move the state’s Republican leaders say will prevent fraud, and which plaintiffs claim is an attempt to suppress minority turnout.

The case is also part of a new strategy by the Obama administration to challenge voting laws it says discriminate by race in order to counter a U.S. Supreme Court ruling in June that freed states from strict federal oversight.

The trial that started on Tuesday at the U.S. District Court in Corpus Christi stems from a battle over stringent voter ID measures signed into law by Texas Governor Rick Perry, a Republican, in 2011. The law requires voters to present a photo ID such as a concealed handgun license or driver’s license, but it excludes student IDs as invalid.

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