KANSAS CITY, Mo. —

Roller coaster rides reportedly turned from thrills to scares for a few recent guests at Kansas City's Worlds of Fun theme park.

A couple said they were riding the Mamba, the tallest coaster at the park, on Oct. 11 when a young girl behind them announced that her seat belt was not latched. Advertisement

“It was completely undone,” said Chris Evins, who helped hold her down. “And there was this big of a gap between her and the lap bar.”

Evins and his wife held onto the girl and her friend next to her as the 205-foot-tall coaster went on.

“I said, ‘Look, you’re going to make it through the rest of this ride. We’re not going to let you go,’” Evins said.

Cassie Evins said both girls were crying as they held on.

“72 miles an hour, holding onto somebody. It’s terrifyin

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