Civil procedure – Application for permission for 1st defendant to amend statement of case – Whether proposed amendment to defence raises a different case than that originally pleaded – Whether amendment would prejudice the claimants – Whether 1st defendant’s statement of case is prolix and ought to be struck out – Rules 20.4(2), 26.3(1)(d) and 26.2(2) of the Civil Procedure Rules, 2002, as amended.