Top Thrill Dragster, Cedar Point, Sandusky, Ohio, USA

Four riders were injured by flying debris when the launch cable snapped.

Magnum Force, Flamingoland, Yorkshire, England, UK

A 32-year-old ride op was airlifted to hospital after stepping in front of a moving train. Source

Superman Ride of Steel, Six Flags New England, Agawam, Massachusetts, USA

A 55-year-old man was ejected from the ride mid-ride and died from severe injuries.

Hydro, Oakwood, Pembrokeshire, Wales, UK

A 16-year-old girl died after falling 100 feet due to to rider error and, to some extent, inappropriate restraints.  Source

Scream, Six Flags Magic Mountain, California, USA

A female employee was struck by a train as she crossed the track in a restricted area.

Walt Disney World’s Magic Kingdom, Lake Buena Vista, Florida, USA

A worker was killed when he was struck by a float from the parade.

Men In Black, Universal Studios, Orlando, Florida, USA

A boy seriously injured his foot after he kept sticking it outside the car.