COLUMBIA, S.C. (AP) - South Carolina prosecutors have filed papers in which they acknowledge their defense of several provisions in the state's immigration law likely will not succeed.

In papers filed Monday, the plaintiffs agree to drop their remaining challenges. It's up to a federal judge to approve the agreement.

The South Carolina law was modeled after similar Arizona legislation. The federal government and civil liberties groups quickly sued, saying portions including a provision allowing police to check people's immigration status were unconstitutional.

A federal judge blocked some provisions but revised that ruling after the U.S. Supreme Court nixed much of Arizona's law. In July, an appeals court ruled some of South Carolina's law inappropriately criminalized activity that should be up to the federal government to regulate.

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