In addition to actions commenced by the Zoning Officer in the enforcement of this chapter, in cases where any building or structure is, or is intended to be, erected, constructed, reconstructed, altered or converted, or any building or structure is, or is intended to be, used in violation of or contrary to the provisions of this chapter, the Attorney for the Zoning Board of Adjustment is hereby authorized, pursuant to directions of the City Council, to institute an action to enjoin the erection, construction, alteration, conversion or use of any such structure or building or the commencement of any use in violation of this chapter or to pursue any other appropriate action, proceedings or remedies available at law to prevent the commencement of or the continuation of such use.