Tsunami, M&Ds Scotland’s Theme Park, UK

Nine children and two adults were hospitalised after all five carriages on the Pinfari-manufactured coaster came off the tracks, plunging roughly 20 feet (6m) to the ground and hitting a child’s car ride, before coming to a rest upside down, leaving riders trapped. Source

Tsunam M&Ds Scotland's Theme Park Accident
Police with Health and Safety Executives investigate the incident.