I'm a 72-year-old adrenaline junkie and I've completed 5,000 parachute jumps in my career - now I'm a grandmother but I've just landed my dream job at Alton Towers

Jackie Smith, a grandmother-of-four from Wiltshire, tested out the theme park's bone-shaking Nemesis Reborn rollercoaster on her first day, as it opened following an 18-month revamp.