LARTEY AND LARTEY LTD. v. BEANY AND ANOTHER Judgment—Void or voidable—Judgment obtained by fraud—Distinction between void and voidable judgment—Judgment obtained by fraud voidable—Judgment valid until set aside by court—Two judgments given by court of competent jurisdiction against plaintiffs—Allegation by plaintiffs that judgments obtained by fraud—effect of maxim omnia praesumuntur rite esse acta.