Every railroad corporation shall be responsible in damages to any person whose buildings or other property may be injured by fire communicated by its locomotive engines or originating within the limits of the right of way of such road in consequence of the act of any of its authorized agents or employees, except when property shall have been placed on the right of way of such corporation unlawfully or without its consent, and each such corporation shall have an insurable interest in the property upon its route for which it may be so held responsible and may procure insurance thereon in its own behalf.