Terrifying moment horse bolts at 28mph - with 10-year-old on its back

This is the terrifying moment the horse of 10-year-old rider bolted sending her speeding down a track at 28mph. Michelle Ross, 48, was out on a hack with her horse Leila, 12, and a couple of friends when the incident unfolded. The group included a young girl riding Loki, a horse Michelle was familiar with, having ridden with his previous owner on hunts and trail rides. The plan was for the girl to ride calmly next to Michelle but Loki had other ideas and suddenly took off.