REPUBLIC V KORLE GONNO DISTRICT MAGISTRATE GRADE I; EX PARTE AMPOMAH     Coroner—Inquest—Jurisdiction—Coroner empowered under section 5 of Act 18 to hold inquest on reasonable, suspicion that cause of death unknown—Whether power to hold inquest discretionary or mandatory—Deceased with history of hypertension and diabetes dying soon after admission at hospital—Report on first post-mortem conducted on brain of deceased stating cause of death as cerebrovascular accident—Second post-mortem on rest of body finding no violent marks on body nor poison in samples from body—Second post mortem also finding deceased had suffered from hypertensive heart disease but concluding immediate cause of death "undetermined"—Both reports made available to coroner in police docket—Decision of coroner to hold inquest on ground that cause of death "unknown"—Whether coroner justified in his decision to hold inquest—Coroners [p.221] Act, 1960 (Act 18), s 5.