If any person violates section 2101 (a) or (b) of this title or a rule under section 2101 (c) of this title, any interested person may commence a civil action for injunctive relief restraining such violation, and for damages, in any United States District Court for a district in which the defendant resides or has an agent. In any such action, the court may award the costs of the suit, including reasonable attorneys’ fees.