ABC News July 8, 2014

Roller Coaster Derails at Six Flags Amusement Park in California

Name: Roller Coaster Derails at Six Flags Amusement Park in California
Uploaded: 2014-07-08T19:05:08
Duration: PT449.533S
Description: The roller coaster 'Ninja' ran into a tree branch at 55mph, causing the lead car to derail.

The roller coaster 'Ninja' ran into a tree branch at 55 mph, causing the lead car to derail.

Roller Coaster Derails at Six Flags Amusement Park in California

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