Aggravated arson consists of the wilful [willful] or malicious damaging by any explosive substance or the wilful [willful] or malicious setting fire to any bridge, aircraft, watercraft, vehicle, pipe line [pipeline], utility line, communication line or structure, railway structure, private or public building, dwelling or other structure, causing a person great bodily harm. Whoever commits aggravated arson is guilty of a second degree felony. History: 1953 Comp., § 40A-17-6, enacted by Laws 1963, ch. 303, § 17-6.