Ten people were injured in a roller coaster accident Thursday, October 7 at Knott's Berry Farm in Buena Park, California.
Orange County Fire say police and fire units responded to the park and treated the victims.
It happened on the Pony Express ride when one car didn’t make it up a hill and rolled back hitting the car behind that was being loaded.
Fire officials say people sustained minor injuries and were transported to local hospital.
The cause of the accident is under investigation