If any of the persons so unlawfully assembled demolishes, pulls down or destroys, or begins to demolish, pull down or destroy, a dwelling house or other building, or a ship or vessel, he shall be punished by imprisonment in the state prison for not more than five years or by a fine of not more than one thousand dollars and imprisonment in jail for not more than two years, and shall also be liable in tort to any person for all damages sustained by him thereby.
Mass. Gen. Laws ch. 269, § 7
Injury to building or vessel by persons unlawfully assembled
Official source: Massachusetts Legislature. Reproduced from public-domain Massachusetts statutes; confirm against the official source for the current text. Not legal advice.