NEW YORK (CBS/AP) — Walmart says it will stop selling electronic cigarettes at its namesake stores and Sam’s Clubs following a string illnesses and deaths related to vaping. The nation’s largest retailer said Friday that it will complete its exit from e-cigarettes after selling through current inventory.

It cited growing federal, state and local regulatory complexity regarding vaping products.

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More than 500 people have been diagnosed with vaping-related breathing illnesses. An eighth death was reported this week. But health officials still have not identified the cause.

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In New Jersey, state Senate President Steve Sweeney says he plans to introduce a bill to ban the sale of all electronic smoking devices in the state.

The FDA has opened a criminal probe into the vaping-related illnesses.

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