Eliud Kipchoge reveals how his family received threats on social media after the death of fellow Kenyan marathon runner Kelvin Kiptum.
The 39-year-old says online platforms need to do more to tackle abuse but praises Olympic Games organisers for plans to use AI to tackle the problem.
READ MORE: ‘I don’t trust anyone’ – How trolling hurt Kipchoge
Reporter: Celestine Karoney / Camera: Anthony Irungu
