A couple said they had to hold another passenger in her seat on a roller coaster when her seat belt came undone.

Chris and Cassie Evins save a girl's life after her seatbelt became unfastened at the Worlds of Fun park in Kansas City on 11 ...

I looped my arm underneath the lap bar, and I grabbed a hold of her wrist. My wife was pushing down on her legs.' ...

A couple have been praised for helping a girl after her seatbelt came undone on a roller coaster at the Worlds of Fun ...

Chris and Cassie Evins describe the scary series of events to happen on the Mamba roller coaster in Worlds of Fun.

" I looped my arm underneath the lap bar, and I grabbed a hold of her wrist. My wife was pushing down on her legs," he told KCTV5.

A girl's seat belt came undone on a roller coaster at an amusement park in Missouri. She was miraculously saved by a couple ...

CAMERA footage has captured the terrifying moment a young girl was saved by a couple after the restraints failed on a roller ...

A Missouri couple saved two girls on the Mamba roller coaster at Worlds of Fun after their lap bar failed mid-ride, prompting an investigation into safety concerns.

A Missouri couple are being hailed as heroes for saving the life of a young girl who had let out a “blood-curdling scream” ...