Civil procedure - Appeal against High Court Order directing ejectment of Appellants from property purchased by 3rd Respondent at a sale in execution - Appellants contending that High Court erred in refusing to determine Application to set aside sale in execution on the basis that it was not a valid defence to eviction proceedings - Appellants contending that sale was invalid for non compliance with Rule46(8)(a) and therefore could not serve to pass ownership to 3rd Respondent- Principle that property may be vindicated from bona fide purchaser where sale in execution was invalid discussed - Test for determining whether sale in execution complies with High Court Rules discussed - Alleged grounds of invalidity discussed.