(a) The existence of any discriminatory practice and the commission of any act constituting the same, is hereby declared to be a public nuisance, and any person injured or aggrieved thereby may apply to a court of competent jurisdiction for an order enjoining the continuance of any such practice or act.
(b) Whenever deemed necessary in order to protect the rights of the complainant and to preserve the power to the Human Relations Board to act upon or to resolve a complaint, the Civil Rights Attorney may apply to a court of competent jurisdiction for an injunction directed against a respondent, restraining him from taking any action which would prevent the Board from acting or which would make any order issued by the Board meaningless.