Whilst being driven back from a Swansea City Football Academy training session Catrin, Hari’s mum, became unconscious at the wheel of the car near junction 45 on the M4.
Wrth iddynt gael eu gyrru’n ôl o sesiwn hyfforddi yn Academi Bêl-droed Abertawe, fe syrthiodd Catrin, mam Harri, yn anymwybodol wrth olwyn y car ger cyffordd 45 ar yr M4.