Mae angen ymchwilio ar fyrder i ddeall y ffactorau sy’n gyfrifol am hyn. Yn benodol, mae angen inni nodi ar fyrder y dystiolaeth a fydd yn ein galluogi i weithredu ar sail yr wybodaeth orau bosibl a gwneud popeth y gallwn i leihau niwed y mae modd ei osgoi ymhlith grwpiau agored i niwed.
An urgent investigation is required to understand the factors involved. In particular, we need to identify quickly the evidence that will enable us to act in an informed way and do all that we can to minimise avoidable harm in vulnerable groups.