Little boy who waited a world record eight years for a new heart goes back to school

Daithi Mac Gabhann was pictured before and after his op to demonstrate the extraordinary power of the ‘gift of life’ and dad Mairtin, 36, joined the Mirror’s crusade to change the law to the opt-out system on organ donation.Mairtin Mac Gabhann – pictured with son Daithi – says organ donation is ‘the greatest gift of all'(Image: Liam McBurney/PA Wire)