Gwazi, Busch Gardens Tampa, FL, USA

A 52-year-old man who complained that he felt sick after riding the coaster died approximately two hours later in a hospital.

Runaway Mine Train, Alton Towers, UK

Twenty-nine people were injured when the train separated and crashed into each other. Source

Rock n Rollercoaster, Disney-MGM Studios, CA, USA

A 12-year-old boy died due to an undiagnosed medical condition brought on by the roller coaster.

Wild Thing, Valleyfair, Shakopee, Minnesota, USA

Eighteen riders suffered minor injuries when the train derailed.

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.