"One is subject to liability to another for trespass, irrespective of whether he thereby causes harm to any legally protected interest of the other, if he intentionally
- (a) enters land in the possession of the other, or causes a thing or a third person to do so, or
- (b) remains on the land, or
- (c) fails to remove from the land a thing which he is under a duty to remove."
- Rest. (Second) of Torts § 158 (1965).