The Somali prisoner, the secret language and the life-saving book

Mohamed Barud was losing hope in a Somali prison, when an inmate in a neighbouring cell devised a secret language and tapped out the Russian novel Anna Karenina through his wall... for Mohamed, the book was transformative. He tells his story to Emily Webb.Mohamed wrote a book about his experience called The Mourning Tree.If you're affected by issues raised in the programme, you can find information about support available at bbc.co.uk/actionline or befrienders.orgGet in touch: [email protected]: Emily Webb Producer: Emily WebbPicture: Mohamed Barud and a copy of Anna Karenina Credit: Mohamed Barud, JannHuizenga via Getty Images