Story highlights The presidential election will head into it's final primary day Tuesday in Washington, D.C.

Sanders also mentioned support for the cause in an off-hand remark at a campaign rally in Washington on Thursday

Washington (CNN) Just days before D.C. residents head to the polls in 2016's final presidential primary, Democratic presidential hopeful Sen. Bernie Sanders highlighted his support for District of Columbia statehood.

"I think it is morally wrong for American citizens who pay federal taxes, fight in our wars and live in our country to be denied the basic right to full congressional representation," Sanders said in a statement Saturday.

Sanders also mentioned support for the cause in an off-hand remark at a campaign rally in the nation's capital on Thursday.

"I hope that the next time I'm back we're going to be talking about the state of Washington, D.C.," Sanders said.

Sanders also lent support for D.C. statehood in June 2015 when he helped co-sponsor legislation on the issue, The Hill reported

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