I was shocked and saddened to learn of the incident in Blaenau Gwent last week, which resulted in a child being seriously injured.
Cefais fy syfrdanu a'm tristáu o glywed am y digwyddiad ym Mlaenau Gwent yr wythnos diwethaf, a arweiniodd at blentyn yn dioddef o anaf ddifrifol.