A. Injury by arson is the intentional damaging by any explosive substance or the setting fire to any structure, watercraft, or other movable belonging to another if either of the following occurs:
(1) Any person suffers great bodily harm, permanent disability, or disfigurement as a result of the fire or explosion.
(2) A firefighter, law enforcement officer or first responder who is present at the scene and acting in the line of duty is injured as a result of the fire or explosion.
B. Whoever commits the crime of injury by arson shall be imprisoned at hard labor for not less than six nor more than twenty years, and shall be fined not more than twenty-five thousand dollars. Two years of such imprisonment at hard labor shall be without benefit of parole, probation, or suspension of sentence.