Datganiad gan Brif Swyddog Meddygol Cymru am yr angen i symud i Rybudd Lefel 4 o hanner nos ar 19 Rhagfyr a newid y trefniadau i lacio’r cyfyngiadau dros y Nadolig fel bod 2 aelwyd bellach ddim ond yn cael cwrdd ar Ddydd Nadolig.
Statement from the Chief Medical Officer for Wales on the needs to move to alert level 4 from midnight on the 19th of December and a change arrangements for Christmas relaxation, in which two households may now only meet for Christmas day.