Heartbroken family of Dublin stab murder victim believe he was murdered for trying to protect a girl

The heartbroken family of murdered computer science student Qayyum Balogun believe he was chased down and murdered for trying to protect a girl from an assault during a music event.The 21-year-old was stabbed to death in the early hours of Monday morning just off Grafton Street in Dublin. Nicola talks to Eimear Rabbitt about what happened to Qayyum and who the Gardai suspect in his murder.