Xcelerator, Knott’s Berry Farm, California, USA

The launch cable on the Intamin Accelerator Coaster snapped inuring a father and son in the front seats. Source

Big Dipper, Pleasure Beach Blackpool, UK

Two of the classic wooden coaster’s trains collided inuring 21 people. Source

Formule 1, Parc Saint Paul, France

A 35-year-old woman died of a heart attack after being ejected from one of the Pax Company coaster’s cars and falling 16 feet (5m) to the ground. Source (in French)

Firehawk, Kings Island, Ohio, USA

A man died from an undiagnosed medical condition after riding the Vekoma Flying Dutchman coaster. Source

Monorail, Walt Disney World, Florida, USA

Two trains collided head-on killing one of the drivers and injuring several others. Source

Dueling Dragons, Islands of Adventure, Florida, USA

A male worker suffered head injuries when he walked under the overhead track and was hit by an oncoming train. The incident took place during early morning testing, so no riders were onboard the B&M inverted coaster. Source

Bahari River, Holiday World, Indiana, USA

A filter pump malfunction on the lazy river water ride caused fumes that sent 42 people to a hospital with breathing troubles. Source

Go Gator, Ducketts Common Funfair, North London, UK

A 2-year-old was killed when he walked on to the track and was hit by the kiddie coaster. Source

Tomahawk, PortAventura, Salou, Spain

A 55-year-old worker died when he was run over by the CCI wooden coaster train. Source

DJ Jump, Travelling Funfair, UK

An 11-year-old girl was throw from the ride after the restraint opened, suffering a large head wound. The seat belt that could have prevented the incident was so poorly maintained as to be unusable. (Source link no longer valid)