WATCH: E-cigarette explodes in man's pocket

This video is evidence that e-cigarettes can be bad for your health.

Surveillance video shows a man pacing outside a nightclub in France, puffing on an electronic cigarette, then putting the device in his pocket.

A short time later, sparks begin to fly from his right side. The e-cigarette burst into flames, which his buddies hastily tried to extinguish.

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The man has second-degree burns, but he is expected to recover.

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