Disco Dancer, Kishkinta Theme Park, Chennai, India

A 25-year-old man was killed and 10 others injured when employees were forced to test a Disk-O knockoff ride that came off the track and crashed to the ground. Source

King’s Crown, Cinco de Mayo Carnival, Nebraska, USA

An 11-year-old girl lost her scalp and fractured her skull on the spinning carnival ride when her hair got sucked into the ride’s machinery. Source (with video report)

Boomerang, Six Flags St. Louis, Missouri, USA

Four people received minor injuries after the coaster abruptly stopped mid-ride, with two cars de-railing off the track.  Source (with video report)