Metropolitan Transportation Authority spokesman Aaron Donovan says the man was taken by a private ambulance service to a hospital. He says the injuries appeared minor.
Donovan says train service at the transit hub wasn`t affected.
Electronic cigarettes and other battery-operated electronic smoking devices occasionally do catch fire.
Last year, the federal Department of Transportation issued a rule prohibiting passengers from packing e-cigarettes in checked luggage to protect against in-flight fires.
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