March 6 (Reuters) - Cahya Mata Sarawak Bhd CMSM.KL : * DEPUTY GROUP CHAIRMAN SERVED ORIGINATING SUMMONS DATED 05 MARCH FILED AGAINST CO AT HIGH COURT OF SABAH & SARAWAK Source text: ID:nKLS94pdDJ Further company coverage: CMSM.KL ((Reuters.Briefs@thomsonreuters.com;))