Jon Kyl, a giant in Arizona politics who served the state in Congress for nearly three decades, has died, his family announced Thursday. He was 84. … Former Republican U.S. Sen. Kyl announced last year his withdrawal from public life following a dementia diagnosis. … Kyl leveraged his expertise on water policy in Congress to gain approval of tribal water rights settlements, said Sarah Porter of Arizona State University. He was an “important participant” in negotiations that created the state’s water rules, said Porter, director of the university’s Kyl Center for Water Policy that is named after the former senator.

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• KTAR (Phoenix): Jon Kyl, an Arizona political giant who served in Congress for nearly 3 decades, has died
• KJZZ (Phoenix): Jon Kyl, former U.S. senator from Arizona, dies at 84
• Arizona’s Family (Phoenix): Longtime Arizona Sen. Jon Kyl dies following dementia diagnosis