Mo Farah has survived gruelling track ordeals... but he says nothing was as hard as reliving his nightmare at the hands of child traffickers.
In a TV documentary earlier this year the Olympic runner disclosed he was smuggled into Britain from Somalia and treated like a servant by the people with whom he first lived.
Recalling making the BBC film, the 5,000 and 10,000-metres champ said: “It was very nerve-wracking.
