Adam Cairns, the Chief Executive of Cardiff and Vale University Health Board - which runs the University Hospital of Wales - spoke to ITV News this evening.
He told Jonathan Hill that the findings of the report by the Royal College of Surgeons are "troubling, worrying and unacceptable".
He said the primary problem - of getting patients into the hospital - caused cancellations of planned procedures, and needs to be tackled with a "much more resilient plan" in future.
More top news
People in Llandudno Junction have seen a water fired "40 feet" into the air after a hydrant burst on a residential street.
The Avian Influenza Prevention Zone, introduced in Wales in December last year is to end.
The official league tables have been published, but how does your university compare?