This is the moment a great-grandfather with bladder and kidney cancer completed a 462 mile walk for charity, despite knowing it could impact his own treatment. John Eryl Parry, 78, from Pontypool, Torfaen, began his coast-to-coast journey at the UK's most easterly point in Lowestoft, Suffolk, on 21 June. John, under the name Welsh Grandad, has captured the hearts of tens of thousands of Instagram, TikTok and Facebook followers around the world. #BBCNews #CharityWalk #Pontypool #Wales