Any person who shall unlawfully and intentionally injure, molest, or destroy any of said lines or the material or property belonging thereto, or shall in any manner interfere with the proper working of such lines, shall on conviction thereof, be deemed guilty of a petty offense and fined not exceeding $100. The fine shall be recoverable in the circuit court; Provided, that prosecution under the foregoing provision of this section shall not in any manner prevent a recovery by the person or persons entitled thereto, of the amount of damages done to such lines.