Former Arizona Republican Sen. Jon Kyl, 83, announced he is withdrawing from public life after being diagnosed with dementia following decades of service in Congress.

Former Arizona Republican Sen. Jon Kyl, 83, announced he is withdrawing from public life after being diagnosed with dementia following decades of service in Congress.

Former Republican U.S. Sen. Jon Kyl of Arizona on Tuesday announced his withdrawal from public life following a dementia diagnosis. Kyl, 83, represented Arizona in both chambers of Congress for nearly three decades. “My family and I now head down a path filled with moments of joy and increasing difficulties," Kyl said in a statement.