Katrina Williams, 26, says the explosion was so powerful, the device went flying before getting stuck in the dashboard of her car.
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Officials say it was the battery inside the e-cigarette that exploded.
Williams was burned on her leg and her face. Her injuries are extremely graphic, and for some, difficult to see.
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"It was like a firecracker that went off," Williams says. "I was shocked."
Williams is now suing the store she bought the e-cigarette from, and the manufacturer.
The victim's case isn't the first, her attorney says, but an issue that has been seen in other parts of the country.
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Williams says she's suing to prevent others from being injured.