Eighteen riders suffered minor injuries when the train derailed.
Accidents
Theme parks and roller coasters are statistically very, very, very safe. Out of the millions of people who ride the thousands of rides every year, there are only a small handful of incidents. You are statistically more likely to be involved in an accident driving to an amusement park than having one at a park. The rarity of accidents is one reason why the media report them, similar to plane crashes.
Every important element of a ride is inspected on a regular basis and every ride is tested every day without passengers before it opens. A ride might not open, or a safety system might activate, if there is an imperfection. For theme parks to operate, they must obtain insurance and one stipulation is their rides are frequently inspected and signed off by a strict Health & Safety governing body. Every theme park does what they can to prevent accidents because the negative press would be bad for business.
Having said all that, theme park accidents still happen…
Train, Gullivers Milton Keynes, UK
A 56-year-old worker died after his head struck a tunnel that the train enters.
Orbiter, Moxley Park Fairground, UK
Two women suffered neck and back injuries, leaving one of them permanently disabled, after the part of the ride they were in became detached.
Atlantis Adventure, Lotte World, Seoul, South Korea
A 28-year-old ride op fell to his death after riding under the influence of alcohol and not securing the restraint properly.
Lady Bug Coaster, Adventureland, Farmingdale, New York, USA
A ride op died from severe injuries after being struck by an empty train.
California Screamin’ , Disneyland, California, USA
Two trains collided after the one entering the station failed to stop in the brake run, injuring 25 guests.
Rita: Queen of Speed, Alton Towers, Staffs, UK
A 12-year-old girl claimed that the force of the ride broke both her wrists. Source
Bob Express, Bobbejaanland, Brussels, Belgium
Twenty-five people suffered minor injuries after two trains collided following an emergency stop!
Storybook Land Canal, Disneyland, Anaheim, California, USA
A young boy lost the top of his thumb after trapping it between the boat and the station.
Top Thrill Dragster, Cedar Point, Sandusky, Ohio, USA
Four riders were injured by flying debris when the launch cable snapped.