The Smiler, Alton Towers, Staffordshire, UK

Four riders on the multi-looping coaster were hit by the car’s guide wheels, but no one was seriously injured. Source

Hollywood Rip Ride Rockit, Universal Studios Orlando, Florida

Twelve passengers were stuck on the coaster’s vertical lift hill for hours when a computer glitch halted the train in its tracks. Source

New Texas Giant, Six Flags Over Texas, Texas, USA

A woman was killed after she was ejected from the train mid-ride.  Source

Tagada, Travelling Funfair, Doncaster, UK

A woman was thrown from her seat, landing on her head in the middle of the ride mid-cycle. She initially felt fine, but in the days following the incident was found to have broken her neck. Source

Tranan, Skara Sommarland, Västra Götaland, Sweden

A car failed to stop at the end of the ride, colliding with a stationary car in the station. No serious injuries were reported. Source (in Swedish)