Arizona's redistricting commission members divided along party lines Tuesday as they approved maps of new congressional and legislative districts by identical 3-2 votes.

The chairman of the House Judiciary Committee accuses the Justice Department of giving inconsistent statements about what he calls a reckless and dangerous law enforcement program.

Attorney General Tom Horne filed a federal lawsuit aimed at overturning a provision in the Voting Rights Act requiring Arizona and several other states to get all election changes approved by the U.S. Department of Justice before they can be implemented.

Federal authorities asked a judge to dismiss a lawsuit that sought records from Maricopa County Sheriff Joe Arpaio's office as part of a civil rights investigation that he says is focused on his immigration patrols.

A lawyer for prospective dispensary operators says Arizona likely will face a legal challenge over its refusal to accept applications.

Although Arizona’s new medical marijuana has already partially gone into effect, Gov. Jan Brewer and Attorney General Tom Horne announced Tuesday they will file suit in federal district court on Friday, asking for clarification on the program, and that they are looking to halt it from moving forward.

The U.S. Justice Department has asked a judge to reject a request by the Arizona Legislature to become a party in the federal government's challenge to the state's immigration enforcement law.

A federal judge has denied a request by the Arizona Latino Republican Association to become a party to the federal government's challenge to the state's new immigration law.

Groups that challenged Arizona's new immigration law are asking a federal appeals court to let them file friend-of-the-court briefs in an appeal of a ruling that put parts of the law on hold.

The U.S. Justice Department doesn't want the author of Arizona's new immigration law to be a party in the state's appeal of a ruling that put parts of the law on hold.