Steel Dragon, Nagashima Spaland, Nagashima, Japan

Two riders were injured when the train derailed following a wheel coming loose.

Two Face, Six Flag America, Maryland, USA

An electrical failure stranded passengers on the lift hill. No injuries were reported.

Joker’s Jukebox, Six Flags New Orleans, USA

A 53-year-old woman was killed when she was struck by the ride after leaning over the guard rails to check her grandsons safety belt.

Raven, Holiday World, Indiana, USA

A 32-year-old woman died when she fell 69 feet (21m) from the wooden coaster. She apparently unlatched her seat belt mid-ride and was flung from the rear seats of the train as it crested a hill. Paramedics responded to her immediately, but said she died instantly. Source