Teenager's stabbing death 'filmed on Snapchat', says heartbroken mother

A devastated mother whose teenage son was stabbed to death in an attack believed to have been filmed on Snapchat has spoken of her anguish as it was revealed no one has been convicted over his killing.

Alhaji Mohamed Dura-Ray, known as Mo, was brutally killed in September 2015 in a violent street struggle, the day before his mother's birthday, an inquest was told.