If any person maliciously burns, or by the use of any explosive device or substance, maliciously destroys, in whole or in part, or causes to be burned or destroyed, or aids, counsels, or procures the burning or destroying, of any meeting house, courthouse, townhouse, institution of higher education, academy, schoolhouse, or other building erected for public use except an asylum, hotel, jail, prison or church or building owned or leased by a church that is immediately adjacent to a church, or any banking house, warehouse, storehouse, manufactory, mill, or other house, whether the property of himself or of another person, not usually occupied by persons lodging therein at night, at a time when any person is therein, or if he maliciously sets fire to anything, or causes to be set on fire, or aids, counsels, or procures the setting on fire of anything, by the burning whereof any building mentioned in this section is burned, at a time when any person is therein, he shall be guilty of a Class 3 felony. If such offense is committed when no person is in such building mentioned in this section, the offender shall be guilty of a Class 4 felony.