During my oral statement on 19th February I repeatedly emphasised that this is primarily a matter of negligence and potential criminality, rather than a direct threat to human health.
Yn fy natganiad llafar ar 19 Chwefror, pwysleisiais sawl gwaith mai mater o esgeulustod ac o bosibl o dorcyfraith yw hyn yn bennaf, nid bygythiad i iechyd pobl.