Kroger, the grocery giant, has joined the list of retailers raising its minimum age for gun purchases. Kroger made the announcement Thursday that it would raise the age for gun purchases at its Fred Meyer superstores from 18 to 21, joining Walmart and Dick's Sporting Goods, who each made the same change Wednesday. The announcements come after the recent mass shooting at a Parkland, Florida, high school that left 17 people dead; the confessed shooter was a 19-year-old who had legally purchased an AR-15 semiautomatic rifle. In a statement, Kroger said that it had taken a "hard look" at its firearms policy after the Parkland shooting and determined that raising the age was a "common sense" change.

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