A terrifying roller coaster crash left 21 passengers injured, according to police. They believe a roller coaster coach got stuck on the Big Dipper ride in Blackpool, and  was crashed into by a following car.

Three people were sent to the hospital for facial, back, and neck injuries and 18 others were wounded.

Reports of the crash say that one car had suddenly stopped, 25ft in the air. It was then hit in the rear by a following train, which then rolled backwards into a dip.

Thousands of visitors at the theme park were evacuated as the crash victims had to be rescued.

[via DailyMail]