22.—(1) The judge may at his discretion at any stage in the course of the trial in the High Court of any action or any issue therein discharge the jury or any member or members thereof.
(2) Where in the course of such a trial the jury is discharged, the trial may with the consent of the parties be continued without a jury.
(3) Where in the course of such a trial any member of the jury dies or is discharged by reason of illness or any other cause, the jury shall at the discretion of the judge, so long as the number of its members is not reduced below six, and may with the consent of the parties so long as the number of its members is not reduced below four, be considered as remaining for all purposes properly constituted.