It happened while people were in line for the sooperdooperLooper roller coaster. TMZ obtained a video of the incident.
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You can see the raccoon enter the line, and people try to avoid it. The animal then bites a girl's shoe, before running out of the line and into the woods.
Hersheypark officials say two people were taken to a hospital as a precaution.
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"Guest safety is and will always be our top priority at Hersheypark. As such, we have a full complement of public safety and health professionals on the property who responded quickly to render necessary care to the two people impacted.," a spokesperson said.
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They say the raccoon has not returned to the park, but they have a plan in place if it does.