Listen: Limavady boy with muscle disease receives life-changing drug

The mother of a Limavady boy, who has a rare form of muscular dystrophy, said she is "delighted" that he will now receive treatment. Seven-year-old Callum Smith suffers from Duchenne, a genetic disease that gradually causes weakness and loss of muscle function. He will be one of around 10 children in Northern Ireland to benefit from the drug Translarna. His mother Laura spoke to Dean McLaughlin...