An infusion tube delivering medicine to a premature baby at a Hong Kong public hospital was closed for unknown reasons shortly before her death three years ago, an inquest has heard. Two nurses testified at the Coroner’s Court on Friday about the circumstances of what Prince of Wales Hospital in Sha Tin acknowledged as a “serious untoward event” on June 13, 2023. Both witnesses said they had no idea why a three-way valve controlling the flow of medicine to the baby was closed, even though it had