SANTA ANA, Calif. (AP) — Twenty people were hospitalized, three with major injuries, after a bus carrying teens and young adults returning from a church camp overturned on a winding mountain road in Southern California, authorities said Monday.

The bus with 36 people aboard crashed Sunday night at a curve on State Route 330 near Running Springs, about 70 miles (113 kilometers) northeast of Los Angeles, according to the San Bernardino County Fire Department.

Cyntia Ramirez, a 21-year old community college student, was taken to the hospital for a stiff neck and her sister had a fractured arm. Ramirez said she hit her head against a window when the bus toppled.

“All of a sudden the bus started to shake, and it started like to swerve, and the driver lost control,” she told The Associated Pr

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