FRESNO (CBS SF) — A man was taken to the hospital Wednesday afternoon after being burned when his e-cigarette exploded as he rode a Fresno bus.

The 53-year-old man said he had an electronic battery powered vape device in his pants pocket that became hot and then burst into flames.

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There were reports that indicated the man might have been trying to use the e-cigarette on the bus before putting it in his pocket.

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In surveillance video from the bus, the man is seen sitting and talking with another passenger across the aisle when the e-cig starts hissing as it emits smoke.

The man begins to yell as the e-cigarette produces flames before it appears to explode in his pocket. Once the flames cease, the man runs off camera, apparently asking for help from the driver.

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The man was treated for burns to his right thigh and hand. There was no word on his current condition.