A medical marijuana bill was passed in Arizona by 4,300 votes, according to CNN.
With all precincts reporting, proposition 203 had a 50.1% backing according to unofficial poll results.
14 other states and the District of Columbia have approved medical marijuana use.
Minnesota will likely propose its own version of a medical marijuana bill next session, according to the Minnesota Daily.
Over 1.6 million people voted, according to the Associated Press.

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