Rob Heffernan announces retirement: 'I miss things with my kids, it’s a hard life'

Rob Heffernan’s final major event has seen the former world champion finish eighth in the men’s 50k walk at the World Athletics Championships in London,
The Corkman pushed up from a lowly 20th position to take a top-eight finish, as Frenchman Yohan Diniz destroyed the field to take his first global gold.