LOKKO AND ANOTHER v. LOKKO Practice and procedure—Writ—Setting aside—Service out of jurisdiction—Plaintiff obliged under Order 2, r. 4 of L.N. 140A to apply for leave before issuing a writ outside jurisdiction—Failure of plaintiff to obtain such leave—Defendant entering unconditional appearance and filing defence—Whether service of writ without prior leave constituting fundamental breach and making writ void—High Court (Civil Procedure) Rules, 1954 (L.N. 104 ) Orders 2, r. 4, 12, 24 and 25, r. 2.