Donegal climber Jason Black on Everest, healing and the Creeslough tragedy: ‘I could see the three shadows walking into the distance... I was broken’

The elite mountaineer is the only Irishman alive to have made it to the top of K2 and back down again. Here, he talks about how bullying led him to push his body to the limit, the power of talking, and witnessing one of Ireland’s darkest days