(HIGHLAND, Calif.) -- Dozens of people were injured Sunday after a shuttle bus carrying 22 people rolled over in Highland, California.
According to San Bernardino County Fire, the bus rolled over near Highway 330, injuring 20 people with six suffering critical injuries.
Captain Jeremy Kern, a spokesman for San Bernardino County Fire, told ABC News patients were still on the scene about two hours after the accident.
Kern said it was still very early in the investigation and he did not provide a reason why the roll-over occurred.
Officials said Highway 330 was closed from Highland to City Creek to allow emergency units to get patients off scene.
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