Dyma Heddlu’r Gogledd yn ymateb i wrthdrawiad difrifol ar yr A55 yn Llanelwy ym mis Medi 2020, ble bu farw llanc ifanc lleol.
Footage shows initial moments as North Wales Police responded to a serious RTC on the A55 in St Asaph in September 2020, where a 17 year old boy tragically lost his life.
Y Llinell Las
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