FOOD SPECIALITIES GHANA LTD. v. TECHNICAS DE MULTICONSTRUCTION S.A. Injunction—Interim injunction—Grant—Validity of claim factor for consideration—Grant discretionary—Action by respondents for rectification of lease agreement and to restrain appellants from ejecting them from premises—Plea of res judicata by appellants not made out—Serious issues to be resolved between parties—Whether action maintainable—Whether court with jurisdiction to consider application for interim injunction.