Meet the Epsom Derby winner Emmet McNamara

A new jockey-star was born when Emmet McNamara steered home 25-1 shot Serpentine to victory in the Investec Derby at Epsom, a record eighth success in the race for trainer Aidan O'Brien. Now in self-imposed quarantine having travelled overseas from his home in Ireland, 30-year-old McNamara has plenty of time - between watching replays - to talk me through the remarkable all-the-way triumph.