The independent watchdog Healthcare Inspectorate Wales says it is "aware of the report" from the Royal College of Surgeons, and has "been in discussion with both Cardiff and Vale University Health Board and the Welsh Government, regarding the concerns raised."
It says it has been provided with a copy of the action plan for improving care, and "will be holding further discussions with the health board to assess progress."
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Feeling humid with heavy showers and thunderstorms moving north overnight into Sunday.
Four people, including three children, were taken to hospital to be checked for smoke inhalation.
Heavy rain and thunderstorms will affect many parts of Wales this weekend - particularly during Saturday evening.