The Welsh Health Minister has written to Jeremy Hunt, the UK Government's Health Secretary, accusing him of 'being grossly discourteous and demeaning' of his office by allowing the leak of private correspondence between the two governments
Health Minister Mark Drakeford AM has tweeted a strong defence of the Welsh NHS.
On Sunday, the Welsh Government said it was aware of a review commissioned by Betsi Cadwaladr University Health Board and the police investigation.
The health board says it has apologised to patients and their families, adding that the ward has been closed since last December.
Rain clipping the far north through the evening but elsewhere staying dry with some sunny spells.
Public Health Wales figures show 25 more cases of the virus have also been confirmed.
Photos taken on Saturday morning show Roald Dahl Plass strewn with empty beer bottles and discarded canisters of laughing gas.